/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) version 3. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the program; if not, see * * * Authors: * Michael Zucchi * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #ifdef G_OS_WIN32 /* Work around 'DATADIR' and 'interface' lossage in */ #define DATADIR crap_DATADIR #include #undef DATADIR #undef interface #endif #include /* for e_utf8_strftime, what about e_time_format_time? */ #include #include "e-util/e-datetime-format.h" #include "e-util/e-icon-factory.h" #include "e-util/e-util-private.h" #include "e-util/e-util.h" #include "e-util/e-extensible.h" #include "misc/e-web-view.h" #include #include #include #include #include "e-mail-enumtypes.h" #include "em-format-html.h" #include "em-html-stream.h" #include "em-utils.h" #include "mail-config.h" #include "mail-mt.h" #define d(x) #define EFM_MESSAGE_START_ANAME "evolution#message#start" #define EFH_MESSAGE_START "" struct _EMFormatHTMLCache { CamelMultipart *textmp; gchar partid[1]; }; struct _EMFormatHTMLPrivate { EWebView *web_view; CamelMimeMessage *last_part; /* not reffed, DO NOT dereference */ volatile gint format_id; /* format thread id */ guint format_timeout_id; struct _format_msg *format_timeout_msg; /* Table that re-maps text parts into a mutlipart/mixed, EMFormatHTMLCache * */ GHashTable *text_inline_parts; GQueue pending_jobs; GMutex *lock; GdkColor colors[EM_FORMAT_HTML_NUM_COLOR_TYPES]; EMailImageLoadingPolicy image_loading_policy; EMFormatHTMLHeadersState headers_state; gboolean headers_collapsable; guint load_images_now : 1; guint only_local_photos : 1; guint show_sender_photo : 1; guint show_real_date : 1; }; enum { PROP_0, PROP_BODY_COLOR, PROP_CITATION_COLOR, PROP_CONTENT_COLOR, PROP_FRAME_COLOR, PROP_HEADER_COLOR, PROP_IMAGE_LOADING_POLICY, PROP_MARK_CITATIONS, PROP_ONLY_LOCAL_PHOTOS, PROP_SHOW_SENDER_PHOTO, PROP_SHOW_REAL_DATE, PROP_TEXT_COLOR, PROP_WEB_VIEW, PROP_HEADERS_STATE, PROP_HEADERS_COLLAPSABLE }; static void efh_url_requested (GtkHTML *html, const gchar *url, GtkHTMLStream *handle, EMFormatHTML *efh); static gboolean efh_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, EMFormatHTML *efh); static void efh_gtkhtml_destroy (GtkHTML *html, EMFormatHTML *efh); static void efh_format_message (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback); static void efh_format_secure (EMFormat *emf, CamelStream *stream, CamelMimePart *part, CamelCipherValidity *valid, GCancellable *cancellable); static void efh_builtin_init (EMFormatHTMLClass *efhc); static void efh_write_image (EMFormat *emf, CamelStream *stream, EMFormatPURI *puri, GCancellable *cancellable); static gpointer parent_class; static CamelDataCache *emfh_http_cache; #define EMFH_HTTP_CACHE_PATH "http" /* Sigh, this is so we have a cancellable, async rendering thread */ struct _format_msg { MailMsg base; EMFormatHTML *format; EMFormat *format_source; EMHTMLStream *estream; CamelFolder *folder; gchar *uid; CamelMimeMessage *message; gboolean cancelled; }; static gchar * efh_format_desc (struct _format_msg *m) { return g_strdup(_("Formatting message")); } static void efh_format_exec (struct _format_msg *m, GCancellable *cancellable, GError **error) { EMFormat *format; CamelStream *stream; struct _EMFormatHTMLJob *job; GNode *puri_level; CamelURL *base; gchar *content; if (m->format->priv->web_view == NULL) { m->cancelled = TRUE; return; } format = EM_FORMAT (m->format); stream = CAMEL_STREAM (m->estream); content = g_strdup_printf ( "\n\n" "\n\n\n" "\n", e_color_to_value ( &m->format->priv->colors[ EM_FORMAT_HTML_COLOR_BODY]), e_color_to_value ( &m->format->priv->colors[ EM_FORMAT_HTML_COLOR_HEADER])); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); /* */ if (format->mode == EM_FORMAT_MODE_SOURCE) { em_format_format_source ( format, stream, (CamelMimePart *) m->message, cancellable); } else { const EMFormatHandler *handle; const gchar *mime_type; mime_type = "x-evolution/message/prefix"; handle = em_format_find_handler (format, mime_type); if (handle != NULL) handle->handler ( format, stream, CAMEL_MIME_PART (m->message), handle, cancellable, FALSE); mime_type = "x-evolution/message/rfc822"; handle = em_format_find_handler (format, mime_type); if (handle != NULL) handle->handler ( format, stream, CAMEL_MIME_PART (m->message), handle, cancellable, FALSE); } camel_stream_flush (stream, cancellable, NULL); puri_level = format->pending_uri_level; base = format->base; do { /* now dispatch any added tasks ... */ g_mutex_lock (m->format->priv->lock); while ((job = g_queue_pop_head (&m->format->priv->pending_jobs))) { g_mutex_unlock (m->format->priv->lock); /* This is an implicit check to see if the gtkhtml has been destroyed */ if (m->format->priv->web_view == NULL) g_cancellable_cancel (cancellable); /* call jobs even if cancelled, so they can clean up resources */ format->pending_uri_level = job->puri_level; if (job->base) format->base = job->base; job->callback (job, cancellable); format->base = base; /* clean up the job */ g_object_unref (job->stream); if (job->base) camel_url_free (job->base); g_free (job); g_mutex_lock (m->format->priv->lock); } g_mutex_unlock (m->format->priv->lock); if (m->estream) { /* Closing this base stream can queue more jobs, so we need * to check the list again after we've finished */ d(printf("out of jobs, closing root stream\n")); camel_stream_write_string ( (CamelStream *) m->estream, "\n\n", cancellable, NULL); camel_stream_close ((CamelStream *) m->estream, cancellable, NULL); if (g_cancellable_is_cancelled (cancellable)) { m->cancelled = TRUE; m->estream->sync.cancel = TRUE; } g_object_unref (m->estream); m->estream = NULL; } } while (!g_queue_is_empty (&m->format->priv->pending_jobs)); d(printf("out of jobs, done\n")); format->pending_uri_level = puri_level; m->cancelled = m->cancelled || g_cancellable_is_cancelled (cancellable); } static void efh_format_done (struct _format_msg *m) { d(printf("formatting finished\n")); m->format->priv->format_id = -1; m->format->priv->load_images_now = FALSE; m->format->state = EM_FORMAT_HTML_STATE_NONE; g_signal_emit_by_name(m->format, "complete"); } static void efh_format_free (struct _format_msg *m) { d(printf("formatter freed\n")); g_object_unref (m->format); if (m->estream) { camel_stream_close ((CamelStream *) m->estream, NULL, NULL); if (m->cancelled) m->estream->sync.cancel = TRUE; g_object_unref (m->estream); } if (m->folder) g_object_unref (m->folder); g_free (m->uid); if (m->message) g_object_unref (m->message); if (m->format_source) g_object_unref (m->format_source); } static MailMsgInfo efh_format_info = { sizeof (struct _format_msg), (MailMsgDescFunc) efh_format_desc, (MailMsgExecFunc) efh_format_exec, (MailMsgDoneFunc) efh_format_done, (MailMsgFreeFunc) efh_format_free }; static gboolean efh_format_timeout (struct _format_msg *m) { GtkHTMLStream *hstream; EMFormatHTML *efh = m->format; struct _EMFormatHTMLPrivate *p = efh->priv; EWebView *web_view; web_view = em_format_html_get_web_view (m->format); if (web_view == NULL) { mail_msg_unref (m); return FALSE; } d(printf("timeout called ...\n")); if (p->format_id != -1) { d(printf(" still waiting for cancellation to take effect, waiting ...\n")); return TRUE; } g_return_val_if_fail (g_queue_is_empty (&p->pending_jobs), FALSE); d(printf(" ready to go, firing off format thread\n")); /* call super-class to kick it off */ /* FIXME Not passing a GCancellable here. */ EM_FORMAT_CLASS (parent_class)->format_clone ( EM_FORMAT (efh), m->folder, m->uid, m->message, m->format_source, NULL); em_format_html_clear_pobject (m->format); /* FIXME: method off EMFormat? */ if (((EMFormat *) efh)->valid) { camel_cipher_validity_free (((EMFormat *) efh)->valid); ((EMFormat *) efh)->valid = NULL; ((EMFormat *) efh)->valid_parent = NULL; } if (m->message == NULL) { hstream = gtk_html_begin (GTK_HTML (web_view)); gtk_html_stream_close (hstream, GTK_HTML_STREAM_OK); mail_msg_unref (m); p->last_part = NULL; } else { efh->state = EM_FORMAT_HTML_STATE_RENDERING; #if HAVE_CLUTTER if (p->last_part != m->message && !e_shell_get_express_mode (e_shell_get_default ())) { #else if (p->last_part != m->message) { #endif hstream = gtk_html_begin (GTK_HTML (web_view)); gtk_html_stream_printf (hstream, "
%s
", _("Formatting Message...")); gtk_html_stream_close (hstream, GTK_HTML_STREAM_OK); } hstream = NULL; m->estream = (EMHTMLStream *) em_html_stream_new ( GTK_HTML (web_view), hstream); if (p->last_part == m->message) { em_html_stream_set_flags (m->estream, GTK_HTML_BEGIN_KEEP_SCROLL | GTK_HTML_BEGIN_KEEP_IMAGES | GTK_HTML_BEGIN_BLOCK_UPDATES | GTK_HTML_BEGIN_BLOCK_IMAGES); } else { /* clear cache of inline-scanned text parts */ g_hash_table_remove_all (p->text_inline_parts); p->last_part = m->message; } efh->priv->format_id = m->base.seq; mail_msg_unordered_push (m); } efh->priv->format_timeout_id = 0; efh->priv->format_timeout_msg = NULL; return FALSE; } static void efh_free_cache (struct _EMFormatHTMLCache *efhc) { if (efhc->textmp) g_object_unref (efhc->textmp); g_free (efhc); } static void efh_gtkhtml_destroy (GtkHTML *html, EMFormatHTML *efh) { if (efh->priv->format_timeout_id != 0) { g_source_remove (efh->priv->format_timeout_id); efh->priv->format_timeout_id = 0; mail_msg_unref (efh->priv->format_timeout_msg); efh->priv->format_timeout_msg = NULL; } /* This probably works ... */ if (efh->priv->format_id != -1) mail_msg_cancel (efh->priv->format_id); if (efh->priv->web_view != NULL) { g_object_unref (efh->priv->web_view); efh->priv->web_view = NULL; } } static struct _EMFormatHTMLCache * efh_insert_cache (EMFormatHTML *efh, const gchar *partid) { struct _EMFormatHTMLCache *efhc; efhc = g_malloc0 (sizeof (*efh) + strlen (partid)); strcpy (efhc->partid, partid); g_hash_table_insert (efh->priv->text_inline_parts, efhc->partid, efhc); return efhc; } static void efh_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { switch (property_id) { case PROP_BODY_COLOR: em_format_html_set_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_BODY, g_value_get_boxed (value)); return; case PROP_CITATION_COLOR: em_format_html_set_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_CITATION, g_value_get_boxed (value)); return; case PROP_CONTENT_COLOR: em_format_html_set_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_CONTENT, g_value_get_boxed (value)); return; case PROP_FRAME_COLOR: em_format_html_set_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_FRAME, g_value_get_boxed (value)); return; case PROP_HEADER_COLOR: em_format_html_set_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_HEADER, g_value_get_boxed (value)); return; case PROP_IMAGE_LOADING_POLICY: em_format_html_set_image_loading_policy ( EM_FORMAT_HTML (object), g_value_get_enum (value)); return; case PROP_MARK_CITATIONS: em_format_html_set_mark_citations ( EM_FORMAT_HTML (object), g_value_get_boolean (value)); return; case PROP_ONLY_LOCAL_PHOTOS: em_format_html_set_only_local_photos ( EM_FORMAT_HTML (object), g_value_get_boolean (value)); return; case PROP_SHOW_SENDER_PHOTO: em_format_html_set_show_sender_photo ( EM_FORMAT_HTML (object), g_value_get_boolean (value)); return; case PROP_SHOW_REAL_DATE: em_format_html_set_show_real_date ( EM_FORMAT_HTML (object), g_value_get_boolean (value)); return; case PROP_TEXT_COLOR: em_format_html_set_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_TEXT, g_value_get_boxed (value)); return; case PROP_HEADERS_STATE: em_format_html_set_headers_state ( EM_FORMAT_HTML (object), g_value_get_int (value)); return; case PROP_HEADERS_COLLAPSABLE: em_format_html_set_headers_collapsable ( EM_FORMAT_HTML (object), g_value_get_boolean (value)); } G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } static void efh_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { GdkColor color; switch (property_id) { case PROP_BODY_COLOR: em_format_html_get_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_BODY, &color); g_value_set_boxed (value, &color); return; case PROP_CITATION_COLOR: em_format_html_get_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_CITATION, &color); g_value_set_boxed (value, &color); return; case PROP_CONTENT_COLOR: em_format_html_get_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_CONTENT, &color); g_value_set_boxed (value, &color); return; case PROP_FRAME_COLOR: em_format_html_get_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_FRAME, &color); g_value_set_boxed (value, &color); return; case PROP_HEADER_COLOR: em_format_html_get_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_HEADER, &color); g_value_set_boxed (value, &color); return; case PROP_IMAGE_LOADING_POLICY: g_value_set_enum ( value, em_format_html_get_image_loading_policy ( EM_FORMAT_HTML (object))); return; case PROP_MARK_CITATIONS: g_value_set_boolean ( value, em_format_html_get_mark_citations ( EM_FORMAT_HTML (object))); return; case PROP_ONLY_LOCAL_PHOTOS: g_value_set_boolean ( value, em_format_html_get_only_local_photos ( EM_FORMAT_HTML (object))); return; case PROP_SHOW_SENDER_PHOTO: g_value_set_boolean ( value, em_format_html_get_show_sender_photo ( EM_FORMAT_HTML (object))); return; case PROP_SHOW_REAL_DATE: g_value_set_boolean ( value, em_format_html_get_show_real_date ( EM_FORMAT_HTML (object))); return; case PROP_TEXT_COLOR: em_format_html_get_color ( EM_FORMAT_HTML (object), EM_FORMAT_HTML_COLOR_TEXT, &color); g_value_set_boxed (value, &color); return; case PROP_WEB_VIEW: g_value_set_object ( value, em_format_html_get_web_view ( EM_FORMAT_HTML (object))); return; case PROP_HEADERS_STATE: g_value_set_int ( value, em_format_html_get_headers_state ( EM_FORMAT_HTML (object))); return; case PROP_HEADERS_COLLAPSABLE: g_value_set_boolean ( value, em_format_html_get_headers_collapsable ( EM_FORMAT_HTML (object))); } G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } static void efh_finalize (GObject *object) { EMFormatHTML *efh = EM_FORMAT_HTML (object); em_format_html_clear_pobject (efh); efh_gtkhtml_destroy (GTK_HTML (efh->priv->web_view), efh); g_hash_table_destroy (efh->priv->text_inline_parts); g_mutex_free (efh->priv->lock); /* Chain up to parent's finalize() method. */ G_OBJECT_CLASS (parent_class)->finalize (object); } static void efh_format_clone (EMFormat *emf, CamelFolder *folder, const gchar *uid, CamelMimeMessage *msg, EMFormat *emfsource, GCancellable *cancellable) { EMFormatHTML *efh = EM_FORMAT_HTML (emf); struct _format_msg *m; /* How to sub-class ? Might need to adjust api ... */ if (efh->priv->web_view == NULL) return; d(printf("efh_format called\n")); if (efh->priv->format_timeout_id != 0) { d(printf(" timeout for last still active, removing ...\n")); g_source_remove (efh->priv->format_timeout_id); efh->priv->format_timeout_id = 0; mail_msg_unref (efh->priv->format_timeout_msg); efh->priv->format_timeout_msg = NULL; } if (emfsource != NULL) g_object_ref (emfsource); if (folder != NULL) g_object_ref (folder); if (msg != NULL) g_object_ref (msg); m = mail_msg_new (&efh_format_info); m->format = g_object_ref (emf); m->format_source = emfsource; m->folder = folder; m->uid = g_strdup (uid); m->message = msg; if (efh->priv->format_id == -1) { d(printf(" idle, forcing format\n")); efh_format_timeout (m); } else { d(printf(" still busy, cancelling and queuing wait\n")); /* cancel and poll for completion */ mail_msg_cancel (efh->priv->format_id); efh->priv->format_timeout_msg = m; efh->priv->format_timeout_id = g_timeout_add ( 100, (GSourceFunc) efh_format_timeout, m); } } static void efh_format_error (EMFormat *emf, CamelStream *stream, const gchar *txt) { GString *buffer; gchar *html; buffer = g_string_new (""); html = camel_text_to_html ( txt, CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0); g_string_append (buffer, html); g_free (html); g_string_append (buffer, "
"); camel_stream_write (stream, buffer->str, buffer->len, NULL, NULL); g_string_free (buffer, TRUE); } static void efh_format_source (EMFormat *emf, CamelStream *stream, CamelMimePart *part, GCancellable *cancellable) { CamelStream *filtered_stream; CamelMimeFilter *filter; CamelDataWrapper *dw = (CamelDataWrapper *) part; filtered_stream = camel_stream_filter_new (stream); filter = camel_mime_filter_tohtml_new ( CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES | CAMEL_MIME_FILTER_TOHTML_PRESERVE_8BIT, 0); camel_stream_filter_add ( CAMEL_STREAM_FILTER (filtered_stream), filter); g_object_unref (filter); camel_stream_write_string ( stream, "
", cancellable, NULL); em_format_format_text (emf, filtered_stream, dw, cancellable); camel_stream_write_string ( stream, "
", cancellable, NULL); g_object_unref (filtered_stream); } static void efh_format_attachment (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const gchar *mime_type, const EMFormatHandler *handle, GCancellable *cancellable) { gchar *text, *html; /* we display all inlined attachments only */ /* this could probably be cleaned up ... */ camel_stream_write_string ( stream, "" "
" "" "
" "
\n", cancellable, NULL); /* output some info about it */ text = em_format_describe_part (part, mime_type); html = camel_text_to_html ( text, ((EMFormatHTML *) emf)->text_html_flags & CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0); camel_stream_write_string (stream, html, cancellable, NULL); g_free (html); g_free (text); camel_stream_write_string ( stream, "
", cancellable, NULL); if (handle && em_format_is_inline (emf, emf->part_id->str, part, handle)) handle->handler (emf, stream, part, handle, cancellable, FALSE); } static gboolean efh_busy (EMFormat *emf) { EMFormatHTMLPrivate *priv; priv = EM_FORMAT_HTML (emf)->priv; return (priv->format_id != -1); } static void efh_base_init (EMFormatHTMLClass *class) { efh_builtin_init (class); } static void efh_class_init (EMFormatHTMLClass *class) { GObjectClass *object_class; EMFormatClass *format_class; const gchar *user_cache_dir; parent_class = g_type_class_peek_parent (class); g_type_class_add_private (class, sizeof (EMFormatHTMLPrivate)); object_class = G_OBJECT_CLASS (class); object_class->set_property = efh_set_property; object_class->get_property = efh_get_property; object_class->finalize = efh_finalize; format_class = EM_FORMAT_CLASS (class); format_class->format_clone = efh_format_clone; format_class->format_error = efh_format_error; format_class->format_source = efh_format_source; format_class->format_attachment = efh_format_attachment; format_class->format_secure = efh_format_secure; format_class->busy = efh_busy; class->html_widget_type = E_TYPE_WEB_VIEW; g_object_class_install_property ( object_class, PROP_BODY_COLOR, g_param_spec_boxed ( "body-color", "Body Color", NULL, GDK_TYPE_COLOR, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_CITATION_COLOR, g_param_spec_boxed ( "citation-color", "Citation Color", NULL, GDK_TYPE_COLOR, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_CONTENT_COLOR, g_param_spec_boxed ( "content-color", "Content Color", NULL, GDK_TYPE_COLOR, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_FRAME_COLOR, g_param_spec_boxed ( "frame-color", "Frame Color", NULL, GDK_TYPE_COLOR, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_HEADER_COLOR, g_param_spec_boxed ( "header-color", "Header Color", NULL, GDK_TYPE_COLOR, G_PARAM_READWRITE)); /* FIXME Make this a proper enum property. */ g_object_class_install_property ( object_class, PROP_IMAGE_LOADING_POLICY, g_param_spec_enum ( "image-loading-policy", "Image Loading Policy", NULL, E_TYPE_MAIL_IMAGE_LOADING_POLICY, E_MAIL_IMAGE_LOADING_POLICY_ALWAYS, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_MARK_CITATIONS, g_param_spec_boolean ( "mark-citations", "Mark Citations", NULL, TRUE, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_ONLY_LOCAL_PHOTOS, g_param_spec_boolean ( "only-local-photos", "Only Local Photos", NULL, TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property ( object_class, PROP_SHOW_SENDER_PHOTO, g_param_spec_boolean ( "show-sender-photo", "Show Sender Photo", NULL, TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property ( object_class, PROP_SHOW_REAL_DATE, g_param_spec_boolean ( "show-real-date", "Show real Date header value", NULL, TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT)); g_object_class_install_property ( object_class, PROP_TEXT_COLOR, g_param_spec_boxed ( "text-color", "Text Color", NULL, GDK_TYPE_COLOR, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_WEB_VIEW, g_param_spec_object ( "web-view", "Web View", NULL, E_TYPE_WEB_VIEW, G_PARAM_READABLE)); g_object_class_install_property ( object_class, PROP_HEADERS_STATE, g_param_spec_int ( "headers-state", "Headers state", NULL, EM_FORMAT_HTML_HEADERS_STATE_EXPANDED, EM_FORMAT_HTML_HEADERS_STATE_COLLAPSED, EM_FORMAT_HTML_HEADERS_STATE_EXPANDED, G_PARAM_READWRITE)); g_object_class_install_property ( object_class, PROP_HEADERS_STATE, g_param_spec_boolean ( "headers-collapsable", NULL, NULL, FALSE, G_PARAM_READWRITE)); /* cache expiry - 2 hour access, 1 day max */ user_cache_dir = e_get_user_cache_dir (); emfh_http_cache = camel_data_cache_new (user_cache_dir, NULL); if (emfh_http_cache) { camel_data_cache_set_expire_age (emfh_http_cache, 24 *60 *60); camel_data_cache_set_expire_access (emfh_http_cache, 2 *60 *60); } } static void efh_init (EMFormatHTML *efh, EMFormatHTMLClass *class) { EWebView *web_view; GdkColor *color; efh->priv = G_TYPE_INSTANCE_GET_PRIVATE ( efh, EM_TYPE_FORMAT_HTML, EMFormatHTMLPrivate); g_queue_init (&efh->pending_object_list); g_queue_init (&efh->priv->pending_jobs); efh->priv->lock = g_mutex_new (); efh->priv->format_id = -1; efh->priv->text_inline_parts = g_hash_table_new_full ( g_str_hash, g_str_equal, (GDestroyNotify) NULL, (GDestroyNotify) efh_free_cache); web_view = g_object_new (class->html_widget_type, NULL); efh->priv->web_view = g_object_ref_sink (web_view); gtk_html_set_blocking (GTK_HTML (web_view), FALSE); gtk_html_set_caret_first_focus_anchor ( GTK_HTML (web_view), EFM_MESSAGE_START_ANAME); gtk_html_set_default_content_type ( GTK_HTML (web_view), "text/html; charset=utf-8"); e_web_view_set_editable (web_view, FALSE); g_signal_connect ( web_view, "url-requested", G_CALLBACK (efh_url_requested), efh); g_signal_connect ( web_view, "object-requested", G_CALLBACK (efh_object_requested), efh); color = &efh->priv->colors[EM_FORMAT_HTML_COLOR_BODY]; gdk_color_parse ("#eeeeee", color); color = &efh->priv->colors[EM_FORMAT_HTML_COLOR_CONTENT]; gdk_color_parse ("#ffffff", color); color = &efh->priv->colors[EM_FORMAT_HTML_COLOR_FRAME]; gdk_color_parse ("#3f3f3f", color); color = &efh->priv->colors[EM_FORMAT_HTML_COLOR_HEADER]; gdk_color_parse ("#eeeeee", color); color = &efh->priv->colors[EM_FORMAT_HTML_COLOR_TEXT]; gdk_color_parse ("#000000", color); efh->text_html_flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES | CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; efh->show_icon = TRUE; efh->state = EM_FORMAT_HTML_STATE_NONE; g_signal_connect_swapped ( efh, "notify::mark-citations", G_CALLBACK (em_format_queue_redraw), NULL); e_extensible_load_extensions (E_EXTENSIBLE (efh)); } GType em_format_html_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { static const GTypeInfo type_info = { sizeof (EMFormatHTMLClass), (GBaseInitFunc) efh_base_init, (GBaseFinalizeFunc) NULL, (GClassInitFunc) efh_class_init, (GClassFinalizeFunc) NULL, NULL, /* class_data */ sizeof (EMFormatHTML), 0, /* n_preallocs */ (GInstanceInitFunc) efh_init, NULL /* value_table */ }; static const GInterfaceInfo extensible_info = { (GInterfaceInitFunc) NULL, (GInterfaceFinalizeFunc) NULL, NULL /* interface_data */ }; type = g_type_register_static ( em_format_get_type(), "EMFormatHTML", &type_info, G_TYPE_FLAG_ABSTRACT); g_type_add_interface_static ( type, E_TYPE_EXTENSIBLE, &extensible_info); } return type; } EWebView * em_format_html_get_web_view (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), NULL); return efh->priv->web_view; } void em_format_html_load_images (EMFormatHTML *efh) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); if (efh->priv->image_loading_policy == E_MAIL_IMAGE_LOADING_POLICY_ALWAYS) return; /* This will remain set while we're still * rendering the same message, then it wont be. */ efh->priv->load_images_now = TRUE; em_format_queue_redraw (EM_FORMAT (efh)); } void em_format_html_get_color (EMFormatHTML *efh, EMFormatHTMLColorType type, GdkColor *color) { GdkColor *format_color; g_return_if_fail (EM_IS_FORMAT_HTML (efh)); g_return_if_fail (type < EM_FORMAT_HTML_NUM_COLOR_TYPES); g_return_if_fail (color != NULL); format_color = &efh->priv->colors[type]; color->red = format_color->red; color->green = format_color->green; color->blue = format_color->blue; } void em_format_html_set_color (EMFormatHTML *efh, EMFormatHTMLColorType type, const GdkColor *color) { GdkColor *format_color; const gchar *property_name; g_return_if_fail (EM_IS_FORMAT_HTML (efh)); g_return_if_fail (type < EM_FORMAT_HTML_NUM_COLOR_TYPES); g_return_if_fail (color != NULL); format_color = &efh->priv->colors[type]; if (gdk_color_equal (color, format_color)) return; format_color->red = color->red; format_color->green = color->green; format_color->blue = color->blue; switch (type) { case EM_FORMAT_HTML_COLOR_BODY: property_name = "body-color"; break; case EM_FORMAT_HTML_COLOR_CITATION: property_name = "citation-color"; break; case EM_FORMAT_HTML_COLOR_CONTENT: property_name = "content-color"; break; case EM_FORMAT_HTML_COLOR_FRAME: property_name = "frame-color"; break; case EM_FORMAT_HTML_COLOR_HEADER: property_name = "header-color"; break; case EM_FORMAT_HTML_COLOR_TEXT: property_name = "text-color"; break; default: g_return_if_reached (); } g_object_notify (G_OBJECT (efh), property_name); } EMailImageLoadingPolicy em_format_html_get_image_loading_policy (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), 0); return efh->priv->image_loading_policy; } void em_format_html_set_image_loading_policy (EMFormatHTML *efh, EMailImageLoadingPolicy policy) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); if (policy == efh->priv->image_loading_policy) return; efh->priv->image_loading_policy = policy; g_object_notify (G_OBJECT (efh), "image-loading-policy"); } gboolean em_format_html_get_mark_citations (EMFormatHTML *efh) { guint32 flags; g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), FALSE); flags = efh->text_html_flags; return ((flags & CAMEL_MIME_FILTER_TOHTML_MARK_CITATION) != 0); } void em_format_html_set_mark_citations (EMFormatHTML *efh, gboolean mark_citations) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); if (mark_citations) efh->text_html_flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; efh->text_html_flags &= ~CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; g_object_notify (G_OBJECT (efh), "mark-citations"); } gboolean em_format_html_get_only_local_photos (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), FALSE); return efh->priv->only_local_photos; } void em_format_html_set_only_local_photos (EMFormatHTML *efh, gboolean only_local_photos) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); efh->priv->only_local_photos = only_local_photos; g_object_notify (G_OBJECT (efh), "only-local-photos"); } gboolean em_format_html_get_show_sender_photo (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), FALSE); return efh->priv->show_sender_photo; } void em_format_html_set_show_sender_photo (EMFormatHTML *efh, gboolean show_sender_photo) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); efh->priv->show_sender_photo = show_sender_photo; g_object_notify (G_OBJECT (efh), "show-sender-photo"); } gboolean em_format_html_get_show_real_date (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), FALSE); return efh->priv->show_real_date; } void em_format_html_set_show_real_date (EMFormatHTML *efh, gboolean show_real_date) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); efh->priv->show_real_date = show_real_date; g_object_notify (G_OBJECT (efh), "show-real-date"); } EMFormatHTMLHeadersState em_format_html_get_headers_state (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), EM_FORMAT_HTML_HEADERS_STATE_EXPANDED); return efh->priv->headers_state; } void em_format_html_set_headers_state (EMFormatHTML *efh, EMFormatHTMLHeadersState state) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); efh->priv->headers_state = state; g_object_notify (G_OBJECT (efh), "headers-state"); } gboolean em_format_html_get_headers_collapsable (EMFormatHTML *efh) { g_return_val_if_fail (EM_IS_FORMAT_HTML (efh), FALSE); return efh->priv->headers_collapsable; } void em_format_html_set_headers_collapsable (EMFormatHTML *efh, gboolean collapsable) { g_return_if_fail (EM_IS_FORMAT_HTML (efh)); efh->priv->headers_collapsable = collapsable; g_object_notify (G_OBJECT (efh), "headers-collapsable"); } CamelMimePart * em_format_html_file_part (EMFormatHTML *efh, const gchar *mime_type, const gchar *filename, GCancellable *cancellable) { CamelMimePart *part; CamelStream *stream; CamelDataWrapper *dw; gchar *basename; stream = camel_stream_fs_new_with_name (filename, O_RDONLY, 0, NULL); if (stream == NULL) return NULL; dw = camel_data_wrapper_new (); camel_data_wrapper_construct_from_stream_sync ( dw, stream, cancellable, NULL); g_object_unref (stream); if (mime_type) camel_data_wrapper_set_mime_type (dw, mime_type); part = camel_mime_part_new (); camel_medium_set_content ((CamelMedium *) part, dw); g_object_unref (dw); basename = g_path_get_basename (filename); camel_mime_part_set_filename (part, basename); g_free (basename); return part; } /* all this api is a pain in the bum ... */ EMFormatHTMLPObject * em_format_html_add_pobject (EMFormatHTML *efh, gsize size, const gchar *classid, CamelMimePart *part, EMFormatHTMLPObjectFunc func) { EMFormatHTMLPObject *pobj; if (size < sizeof (EMFormatHTMLPObject)) { g_warning ("size is less than the size of EMFormatHTMLPObject\n"); size = sizeof (EMFormatHTMLPObject); } pobj = g_malloc0 (size); if (classid) pobj->classid = g_strdup (classid); else pobj->classid = g_strdup_printf("e-object:///%s", ((EMFormat *)efh)->part_id->str); pobj->format = efh; pobj->func = func; pobj->part = part; g_queue_push_tail (&efh->pending_object_list, pobj); return pobj; } EMFormatHTMLPObject * em_format_html_find_pobject (EMFormatHTML *emf, const gchar *classid) { GList *link; g_return_val_if_fail (EM_IS_FORMAT_HTML (emf), NULL); g_return_val_if_fail (classid != NULL, NULL); link = g_queue_peek_head_link (&emf->pending_object_list); while (link != NULL) { EMFormatHTMLPObject *pw = link->data; if (!strcmp (pw->classid, classid)) return pw; link = g_list_next (link); } return NULL; } EMFormatHTMLPObject * em_format_html_find_pobject_func (EMFormatHTML *emf, CamelMimePart *part, EMFormatHTMLPObjectFunc func) { GList *link; g_return_val_if_fail (EM_IS_FORMAT_HTML (emf), NULL); link = g_queue_peek_head_link (&emf->pending_object_list); while (link != NULL) { EMFormatHTMLPObject *pw = link->data; if (pw->func == func && pw->part == part) return pw; link = g_list_next (link); } return NULL; } void em_format_html_remove_pobject (EMFormatHTML *emf, EMFormatHTMLPObject *pobject) { g_return_if_fail (EM_IS_FORMAT_HTML (emf)); g_return_if_fail (pobject != NULL); g_queue_remove (&emf->pending_object_list, pobject); if (pobject->free != NULL) pobject->free (pobject); g_free (pobject->classid); g_free (pobject); } void em_format_html_clear_pobject (EMFormatHTML *emf) { g_return_if_fail (EM_IS_FORMAT_HTML (emf)); while (!g_queue_is_empty (&emf->pending_object_list)) { EMFormatHTMLPObject *pobj; pobj = g_queue_pop_head (&emf->pending_object_list); em_format_html_remove_pobject (emf, pobj); } } struct _EMFormatHTMLJob * em_format_html_job_new (EMFormatHTML *emfh, void (*callback) (struct _EMFormatHTMLJob *job, GCancellable *cancellable), gpointer data) { struct _EMFormatHTMLJob *job = g_malloc0 (sizeof (*job)); job->format = emfh; job->puri_level = ((EMFormat *) emfh)->pending_uri_level; job->callback = callback; job->u.data = data; if (((EMFormat *) emfh)->base) job->base = camel_url_copy (((EMFormat *) emfh)->base); return job; } void em_format_html_job_queue (EMFormatHTML *emfh, struct _EMFormatHTMLJob *job) { g_mutex_lock (emfh->priv->lock); g_queue_push_tail (&emfh->priv->pending_jobs, job); g_mutex_unlock (emfh->priv->lock); } /* ********************************************************************** */ static void emfh_getpuri (struct _EMFormatHTMLJob *job, GCancellable *cancellable) { d(printf(" running getpuri task\n")); if (!g_cancellable_is_cancelled (cancellable)) job->u.puri->func ( EM_FORMAT (job->format), job->stream, job->u.puri, cancellable); } static void emfh_gethttp (struct _EMFormatHTMLJob *job, GCancellable *cancellable) { CamelStream *cistream = NULL, *costream = NULL, *instream = NULL; CamelURL *url; CamelContentType *content_type; CamelHttpStream *tmp_stream; gssize n, total = 0, pc_complete = 0, nread = 0; gchar buffer[1500]; const gchar *length; if (g_cancellable_is_cancelled (cancellable) || (url = camel_url_new (job->u.uri, NULL)) == NULL) goto badurl; d(printf(" running load uri task: %s\n", job->u.uri)); if (emfh_http_cache) instream = cistream = camel_data_cache_get (emfh_http_cache, EMFH_HTTP_CACHE_PATH, job->u.uri, NULL); if (instream == NULL) { EMailImageLoadingPolicy policy; gchar *proxy; policy = em_format_html_get_image_loading_policy (job->format); if (!(job->format->priv->load_images_now || policy == E_MAIL_IMAGE_LOADING_POLICY_ALWAYS || (policy == E_MAIL_IMAGE_LOADING_POLICY_SOMETIMES && em_utils_in_addressbook ((CamelInternetAddress *) camel_mime_message_get_from (job->format->parent.message), FALSE)))) { /* TODO: Ideally we would put the http requests into * another queue and only send them out if the user * selects 'load images', when they do. The problem * is how to maintain this state with multiple * renderings, and how to adjust the thread * dispatch/setup routine to handle it */ camel_url_free (url); goto done; } instream = camel_http_stream_new (CAMEL_HTTP_METHOD_GET, ((EMFormat *) job->format)->session, url); camel_http_stream_set_user_agent((CamelHttpStream *)instream, "CamelHttpStream/1.0 Evolution/" VERSION); proxy = em_utils_get_proxy_uri (job->u.uri); if (proxy) { camel_http_stream_set_proxy ((CamelHttpStream *) instream, proxy); g_free (proxy); } camel_operation_push_message ( cancellable, _("Retrieving '%s'"), job->u.uri); tmp_stream = (CamelHttpStream *) instream; content_type = camel_http_stream_get_content_type (tmp_stream); length = camel_header_raw_find(&tmp_stream->headers, "Content-Length", NULL); d(printf(" Content-Length: %s\n", length)); if (length != NULL) total = atoi (length); camel_content_type_unref (content_type); } else camel_operation_push_message ( cancellable, _("Retrieving '%s'"), job->u.uri); camel_url_free (url); if (instream == NULL) goto done; if (emfh_http_cache != NULL && cistream == NULL) costream = camel_data_cache_add (emfh_http_cache, EMFH_HTTP_CACHE_PATH, job->u.uri, NULL); do { if (camel_operation_cancel_check (CAMEL_OPERATION (cancellable))) { n = -1; break; } /* FIXME: progress reporting in percentage, can we get the length always? do we care? */ n = camel_stream_read (instream, buffer, sizeof (buffer), cancellable, NULL); if (n > 0) { nread += n; /* If we didn't get a valid Content-Length header, do not try to calculate percentage */ if (total != 0) { pc_complete = ((nread * 100) / total); camel_operation_progress (cancellable, pc_complete); } d(printf(" read %d bytes\n", n)); if (costream && camel_stream_write (costream, buffer, n, cancellable, NULL) == -1) { n = -1; break; } camel_stream_write (job->stream, buffer, n, cancellable, NULL); } } while (n > 0); /* indicates success */ if (n == 0) camel_stream_close (job->stream, cancellable, NULL); if (costream) { /* do not store broken files in a cache */ if (n != 0) camel_data_cache_remove (emfh_http_cache, EMFH_HTTP_CACHE_PATH, job->u.uri, NULL); g_object_unref (costream); } g_object_unref (instream); done: camel_operation_pop_message (cancellable); badurl: g_free (job->u.uri); } /* ********************************************************************** */ static void efh_url_requested (GtkHTML *html, const gchar *url, GtkHTMLStream *handle, EMFormatHTML *efh) { EMFormatPURI *puri; struct _EMFormatHTMLJob *job = NULL; d(printf("url requested, html = %p, url '%s'\n", html, url)); puri = em_format_find_visible_puri ((EMFormat *) efh, url); if (puri) { CamelDataWrapper *dw = camel_medium_get_content ((CamelMedium *) puri->part); CamelContentType *ct = dw ? dw->mime_type : NULL; /* GtkHTML only handles text and images. * application/octet-stream parts are the only ones * which are snooped for other content. So only try * to pass these to it - any other types are badly * formed or intentionally malicious emails. They * will still show as attachments anyway */ if (ct && (camel_content_type_is(ct, "text", "*") || camel_content_type_is(ct, "image", "*") || camel_content_type_is(ct, "application", "octet-stream"))) { puri->use_count++; d(printf(" adding puri job\n")); job = em_format_html_job_new (efh, emfh_getpuri, puri); } else { d(printf(" part is unknown type '%s', not using\n", ct?camel_content_type_format(ct):"")); gtk_html_stream_close (handle, GTK_HTML_STREAM_ERROR); } } else if (g_ascii_strncasecmp(url, "http:", 5) == 0 || g_ascii_strncasecmp(url, "https:", 6) == 0) { d(printf(" adding job, get %s\n", url)); job = em_format_html_job_new (efh, emfh_gethttp, g_strdup (url)); } else if (g_str_has_prefix (url, "file://")) { gchar *data = NULL; gsize length = 0; gboolean status; gchar *path; path = g_filename_from_uri (url, NULL, NULL); g_return_if_fail (path != NULL); status = g_file_get_contents (path, &data, &length, NULL); if (status) gtk_html_stream_write (handle, data, length); gtk_html_stream_close (handle, status ? GTK_HTML_STREAM_OK : GTK_HTML_STREAM_ERROR); g_free (data); g_free (path); } else { d(printf("HTML Includes reference to unknown uri '%s'\n", url)); gtk_html_stream_close (handle, GTK_HTML_STREAM_ERROR); } if (job) { job->stream = em_html_stream_new (html, handle); em_format_html_job_queue (efh, job); } g_signal_stop_emission_by_name (html, "url-requested"); } static gboolean efh_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, EMFormatHTML *efh) { EMFormatHTMLPObject *pobject; gint res = FALSE; if (eb->classid == NULL) return FALSE; pobject = em_format_html_find_pobject (efh, eb->classid); if (pobject) { /* This stops recursion of the part */ g_queue_remove (&efh->pending_object_list, pobject); res = pobject->func (efh, eb, pobject); g_queue_push_head (&efh->pending_object_list, pobject); } else { d(printf("HTML Includes reference to unknown object '%s'\n", eb->classid)); } return res; } /* ********************************************************************** */ #include "em-format/em-inline-filter.h" /* FIXME: This is duplicated in em-format-html-display, should be exported or in security module */ static const struct { const gchar *icon, *shortdesc; } smime_sign_table[5] = { { "stock_signature-bad", N_("Unsigned") }, { "stock_signature-ok", N_("Valid signature") }, { "stock_signature-bad", N_("Invalid signature") }, { "stock_signature", N_("Valid signature, but cannot verify sender") }, { "stock_signature-bad", N_("Signature exists, but need public key") }, }; static const struct { const gchar *icon, *shortdesc; } smime_encrypt_table[4] = { { "stock_lock-broken", N_("Unencrypted") }, { "stock_lock", N_("Encrypted, weak"),}, { "stock_lock-ok", N_("Encrypted") }, { "stock_lock-ok", N_("Encrypted, strong") }, }; static const gchar *smime_sign_colour[4] = { "", " bgcolor=\"#88bb88\"", " bgcolor=\"#bb8888\"", " bgcolor=\"#e8d122\"" }; /* TODO: this could probably be virtual on em-format-html * then we only need one version of each type handler */ static void efh_format_secure (EMFormat *emf, CamelStream *stream, CamelMimePart *part, CamelCipherValidity *valid, GCancellable *cancellable) { EMFormatClass *format_class; format_class = EM_FORMAT_CLASS (parent_class); g_return_if_fail (format_class->format_secure != NULL); format_class->format_secure (emf, stream, part, valid, cancellable); /* To explain, if the validity is the same, then we are the * base validity and now have a combined sign/encrypt validity * we can display. Primarily a new verification context is * created when we have an embeded message. */ if (emf->valid == valid && (valid->encrypt.status != CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE || valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE)) { gchar *classid, *iconpath; const gchar *icon; CamelMimePart *iconpart; GString *buffer; buffer = g_string_sized_new (1024); g_string_append_printf ( buffer, "", smime_sign_colour[valid->sign.status]); classid = g_strdup_printf ( "smime:///em-format-html/%s/icon/signed", emf->part_id->str); g_string_append_printf ( buffer, "" "
", classid); if (valid->sign.status != 0) icon = smime_sign_table[valid->sign.status].icon; else icon = smime_encrypt_table[valid->encrypt.status].icon; iconpath = e_icon_factory_get_icon_filename (icon, GTK_ICON_SIZE_DIALOG); iconpart = em_format_html_file_part((EMFormatHTML *)emf, "image/png", iconpath, cancellable); if (iconpart) { (void) em_format_add_puri (emf, sizeof (EMFormatPURI), classid, iconpart, efh_write_image); g_object_unref (iconpart); } g_free (iconpath); g_free (classid); if (valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE) { gchar *signers; g_string_append ( buffer, _(smime_sign_table[valid->sign.status].shortdesc)); signers = em_format_html_format_cert_infos ( (CamelCipherCertInfo *) valid->sign.signers.head); if (signers && *signers) { g_string_append_printf ( buffer, " (%s)", signers); } g_free (signers); } if (valid->encrypt.status != CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE) { if (valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE) g_string_append (buffer, "
"); g_string_append ( buffer, _(smime_encrypt_table[valid->encrypt.status].shortdesc)); } g_string_append (buffer, "
"); camel_stream_write ( stream, buffer->str, buffer->len, cancellable, NULL); g_string_free (buffer, TRUE); } } static void efh_text_plain (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { EMFormatHTML *efh = EM_FORMAT_HTML (emf); CamelStream *filtered_stream; CamelMimeFilter *html_filter; CamelMultipart *mp; CamelDataWrapper *dw; CamelContentType *type; const gchar *format; guint32 flags; guint32 rgb; gint i, count, len; struct _EMFormatHTMLCache *efhc; flags = efh->text_html_flags; dw = camel_medium_get_content ((CamelMedium *) part); /* Check for RFC 2646 flowed text. */ if (camel_content_type_is(dw->mime_type, "text", "plain") && (format = camel_content_type_param(dw->mime_type, "format")) && !g_ascii_strcasecmp(format, "flowed")) flags |= CAMEL_MIME_FILTER_TOHTML_FORMAT_FLOWED; /* This scans the text part for inline-encoded data, creates * a multipart of all the parts inside it. */ /* FIXME: We should discard this multipart if it only contains * the original text, but it makes this hash lookup more complex */ /* TODO: We could probably put this in the superclass, since * no knowledge of html is required - but this messes with * filters a bit. Perhaps the superclass should just deal with * html anyway and be done with it ... */ efhc = g_hash_table_lookup ( efh->priv->text_inline_parts, emf->part_id->str); if (efhc == NULL || (mp = efhc->textmp) == NULL) { EMInlineFilter *inline_filter; CamelStream *null; CamelContentType *ct; gboolean charset_added = FALSE; /* if we had to snoop the part type to get here, then * use that as the base type, yuck */ if (emf->snoop_mime_type == NULL || (ct = camel_content_type_decode (emf->snoop_mime_type)) == NULL) { ct = dw->mime_type; camel_content_type_ref (ct); } if (dw->mime_type && ct != dw->mime_type && camel_content_type_param (dw->mime_type, "charset")) { camel_content_type_set_param (ct, "charset", camel_content_type_param (dw->mime_type, "charset")); charset_added = TRUE; } null = camel_stream_null_new (); filtered_stream = camel_stream_filter_new (null); g_object_unref (null); inline_filter = em_inline_filter_new (camel_mime_part_get_encoding (part), ct); camel_stream_filter_add ( CAMEL_STREAM_FILTER (filtered_stream), CAMEL_MIME_FILTER (inline_filter)); camel_data_wrapper_decode_to_stream_sync ( dw, (CamelStream *) filtered_stream, cancellable, NULL); camel_stream_close ((CamelStream *) filtered_stream, cancellable, NULL); g_object_unref (filtered_stream); mp = em_inline_filter_get_multipart (inline_filter); if (efhc == NULL) efhc = efh_insert_cache (efh, emf->part_id->str); efhc->textmp = mp; if (charset_added) { camel_content_type_set_param (ct, "charset", NULL); } g_object_unref (inline_filter); camel_content_type_unref (ct); } rgb = e_color_to_value ( &efh->priv->colors[EM_FORMAT_HTML_COLOR_CITATION]); filtered_stream = camel_stream_filter_new (stream); html_filter = camel_mime_filter_tohtml_new (flags, rgb); camel_stream_filter_add ( CAMEL_STREAM_FILTER (filtered_stream), html_filter); g_object_unref (html_filter); /* We handle our made-up multipart here, so we don't recursively call ourselves */ len = emf->part_id->len; count = camel_multipart_get_number (mp); for (i = 0; i < count; i++) { CamelMimePart *newpart = camel_multipart_get_part (mp, i); if (!newpart) continue; type = camel_mime_part_get_content_type (newpart); if (camel_content_type_is (type, "text", "*") && (is_fallback || !camel_content_type_is (type, "text", "calendar"))) { gchar *content; content = g_strdup_printf ( "
\n\n" EFH_MESSAGE_START, e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_FRAME]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_CONTENT]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_TEXT])); camel_stream_write_string ( stream, content, cancellable, NULL); g_free (content); em_format_format_text ( emf, filtered_stream, (CamelDataWrapper *) newpart, cancellable); camel_stream_flush ((CamelStream *) filtered_stream, cancellable, NULL); camel_stream_write_string (stream, "\n", cancellable, NULL); camel_stream_write_string (stream, "
\n", cancellable, NULL); } else { g_string_append_printf (emf->part_id, ".inline.%d", i); em_format_part ( emf, stream, newpart, cancellable); g_string_truncate (emf->part_id, len); } } g_object_unref (filtered_stream); } static void efh_text_enriched (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { EMFormatHTML *efh = EM_FORMAT_HTML (emf); CamelStream *filtered_stream; CamelMimeFilter *enriched; guint32 flags = 0; gchar *content; if (!strcmp(info->mime_type, "text/richtext")) { flags = CAMEL_MIME_FILTER_ENRICHED_IS_RICHTEXT; camel_stream_write_string ( stream, "\n\n", cancellable, NULL); } else { camel_stream_write_string ( stream, "\n\n", cancellable, NULL); } enriched = camel_mime_filter_enriched_new (flags); filtered_stream = camel_stream_filter_new (stream); camel_stream_filter_add ( CAMEL_STREAM_FILTER (filtered_stream), enriched); g_object_unref (enriched); content = g_strdup_printf ( "
\n" EFH_MESSAGE_START, e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_FRAME]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_CONTENT]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_TEXT])); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); em_format_format_text ( emf, (CamelStream *) filtered_stream, (CamelDataWrapper *) part, cancellable); g_object_unref (filtered_stream); camel_stream_write_string (stream, "
", cancellable, NULL); } static void efh_write_text_html (EMFormat *emf, CamelStream *stream, EMFormatPURI *puri, GCancellable *cancellable) { #if d(!)0 CamelStream *out; gint fd; CamelDataWrapper *dw; fd = dup (STDOUT_FILENO); out = camel_stream_fs_new_with_fd (fd); printf("writing text content to frame '%s'\n", puri->cid); dw = camel_medium_get_content (puri->part); if (dw) camel_data_wrapper_write_to_stream (dw, out); g_object_unref (out); #endif em_format_format_text ( emf, stream, (CamelDataWrapper *) puri->part, cancellable); } static void efh_text_html (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { EMFormatHTML *efh = EM_FORMAT_HTML (emf); const gchar *location; gchar *cid = NULL; gchar *content; content = g_strdup_printf ( "
\n" "\n" EFH_MESSAGE_START, e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_FRAME]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_CONTENT]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_TEXT])); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); /* TODO: perhaps we don't need to calculate this anymore now base is handled better */ /* calculate our own location string so add_puri doesn't do it * for us. our iframes are special cases, we need to use the * proper base url to access them, but other children parts * shouldn't blindly inherit the container's location. */ location = camel_mime_part_get_content_location (part); if (location == NULL) { if (emf->base) cid = camel_url_to_string (emf->base, 0); else cid = g_strdup (emf->part_id->str); } else { if (strchr (location, ':') == NULL && emf->base != NULL) { CamelURL *uri; uri = camel_url_new_with_base (emf->base, location); cid = camel_url_to_string (uri, 0); camel_url_free (uri); } else { cid = g_strdup (location); } } em_format_add_puri ( emf, sizeof (EMFormatPURI), cid, part, efh_write_text_html); d(printf("adding iframe, location %s\n", cid)); content = g_strdup_printf ( "\n
\n", cid, cid); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); g_free (cid); } /* This is a lot of code for something useless ... */ static void efh_message_external (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { CamelContentType *type; const gchar *access_type; gchar *url = NULL, *desc = NULL; gchar *content; if (!part) { camel_stream_write_string ( stream, _("Unknown external-body part."), cancellable, NULL); return; } /* needs to be cleaner */ type = camel_mime_part_get_content_type (part); access_type = camel_content_type_param (type, "access-type"); if (!access_type) { camel_stream_write_string ( stream, _("Malformed external-body part."), cancellable, NULL); return; } if (!g_ascii_strcasecmp(access_type, "ftp") || !g_ascii_strcasecmp(access_type, "anon-ftp")) { const gchar *name, *site, *dir, *mode; gchar *path; gchar ftype[16]; name = camel_content_type_param (type, "name"); site = camel_content_type_param (type, "site"); dir = camel_content_type_param (type, "directory"); mode = camel_content_type_param (type, "mode"); if (name == NULL || site == NULL) goto fail; /* Generate the path. */ if (dir) path = g_strdup_printf("/%s/%s", *dir=='/'?dir+1:dir, name); else path = g_strdup_printf("/%s", *name=='/'?name+1:name); if (mode && *mode) sprintf(ftype, ";type=%c", *mode); else ftype[0] = 0; url = g_strdup_printf ("ftp://%s%s%s", site, path, ftype); g_free (path); desc = g_strdup_printf (_("Pointer to FTP site (%s)"), url); } else if (!g_ascii_strcasecmp (access_type, "local-file")) { const gchar *name, *site; name = camel_content_type_param (type, "name"); site = camel_content_type_param (type, "site"); if (name == NULL) goto fail; url = g_filename_to_uri (name, NULL, NULL); if (site) desc = g_strdup_printf(_("Pointer to local file (%s) valid at site \"%s\""), name, site); else desc = g_strdup_printf(_("Pointer to local file (%s)"), name); } else if (!g_ascii_strcasecmp (access_type, "URL")) { const gchar *urlparam; gchar *s, *d; /* RFC 2017 */ urlparam = camel_content_type_param (type, "url"); if (urlparam == NULL) goto fail; /* For obscure MIMEy reasons, the URL may be split into words */ url = g_strdup (urlparam); s = d = url; while (*s) { /* FIXME: use camel_isspace */ if (!isspace ((guchar) * s)) *d++ = *s; s++; } *d = 0; desc = g_strdup_printf (_("Pointer to remote data (%s)"), url); } else goto fail; content = g_strdup_printf ("%s", url, desc); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); g_free (url); g_free (desc); return; fail: content = g_strdup_printf ( _("Pointer to unknown external data (\"%s\" type)"), access_type); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); } static void efh_message_deliverystatus (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { EMFormatHTML *efh = EM_FORMAT_HTML (emf); CamelStream *filtered_stream; CamelMimeFilter *html_filter; guint32 rgb = 0x737373; gchar *content; /* Yuck, this is copied from efh_text_plain */ content = g_strdup_printf ( "
\n", e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_FRAME]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_CONTENT]), e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_TEXT])); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); filtered_stream = camel_stream_filter_new (stream); html_filter = camel_mime_filter_tohtml_new (efh->text_html_flags, rgb); camel_stream_filter_add ( CAMEL_STREAM_FILTER (filtered_stream), html_filter); g_object_unref (html_filter); camel_stream_write_string (stream, "\n" EFH_MESSAGE_START, cancellable, NULL); em_format_format_text ( emf, filtered_stream, (CamelDataWrapper *) part, cancellable); camel_stream_flush (filtered_stream, cancellable, NULL); camel_stream_write_string (stream, "\n", cancellable, NULL); camel_stream_write_string (stream, "
", cancellable, NULL); } static void emfh_write_related (EMFormat *emf, CamelStream *stream, EMFormatPURI *puri, GCancellable *cancellable) { em_format_format_content (emf, stream, puri->part, cancellable); camel_stream_close (stream, cancellable, NULL); } static void emfh_multipart_related_check (struct _EMFormatHTMLJob *job, GCancellable *cancellable) { EMFormat *format; GList *link; gchar *oldpartid; if (g_cancellable_is_cancelled (cancellable)) return; format = EM_FORMAT (job->format); d(printf(" running multipart/related check task\n")); oldpartid = g_strdup (format->part_id->str); link = g_queue_peek_head_link (job->puri_level->data); if (!link) { g_string_printf (format->part_id, "%s", oldpartid); g_free (oldpartid); return; } while (link != NULL) { EMFormatPURI *puri = link->data; if (puri->use_count == 0) { d(printf("part '%s' '%s' used '%d'\n", puri->uri?puri->uri:"", puri->cid, puri->use_count)); if (puri->func == emfh_write_related) { g_string_printf (format->part_id, "%s", puri->part_id); /* FIXME Not passing a GCancellable here. */ em_format_part ( format, CAMEL_STREAM (job->stream), puri->part, NULL); } /* else it was probably added by a previous format this loop */ } link = g_list_next (link); } g_string_printf (format->part_id, "%s", oldpartid); g_free (oldpartid); } /* RFC 2387 */ static void efh_multipart_related (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { CamelMultipart *mp = (CamelMultipart *) camel_medium_get_content ((CamelMedium *) part); CamelMimePart *body_part, *display_part = NULL; CamelContentType *content_type; const gchar *start; gint i, nparts, partidlen, displayid = 0; struct _EMFormatHTMLJob *job; if (!CAMEL_IS_MULTIPART (mp)) { em_format_format_source (emf, stream, part, cancellable); return; } nparts = camel_multipart_get_number (mp); content_type = camel_mime_part_get_content_type (part); start = camel_content_type_param (content_type, "start"); if (start && strlen (start) > 2) { gint len; const gchar *cid; /* strip <>'s */ len = strlen (start) - 2; start++; for (i = 0; i < nparts; i++) { body_part = camel_multipart_get_part (mp, i); cid = camel_mime_part_get_content_id (body_part); if (cid && !strncmp (cid, start, len) && strlen (cid) == len) { display_part = body_part; displayid = i; break; } } } else { display_part = camel_multipart_get_part (mp, 0); } if (display_part == NULL) { em_format_part_as ( emf, stream, part, "multipart/mixed", cancellable); return; } em_format_push_level (emf); partidlen = emf->part_id->len; /* queue up the parts for possible inclusion */ for (i = 0; i < nparts; i++) { body_part = camel_multipart_get_part (mp, i); if (body_part != display_part) { g_string_append_printf(emf->part_id, "related.%d", i); em_format_add_puri (emf, sizeof (EMFormatPURI), NULL, body_part, emfh_write_related); g_string_truncate (emf->part_id, partidlen); d(printf(" part '%s' '%s' added\n", puri->uri?puri->uri:"", puri->cid)); } } g_string_append_printf(emf->part_id, "related.%d", displayid); em_format_part (emf, stream, display_part, cancellable); g_string_truncate (emf->part_id, partidlen); camel_stream_flush (stream, cancellable, NULL); /* queue a job to check for un-referenced parts to add as attachments */ job = em_format_html_job_new ( EM_FORMAT_HTML (emf), emfh_multipart_related_check, NULL); job->stream = stream; g_object_ref (stream); em_format_html_job_queue ((EMFormatHTML *) emf, job); em_format_pull_level (emf); } static void efh_write_image (EMFormat *emf, CamelStream *stream, EMFormatPURI *puri, GCancellable *cancellable) { CamelDataWrapper *dw = camel_medium_get_content ((CamelMedium *) puri->part); d(printf("writing image '%s'\n", puri->cid)); camel_data_wrapper_decode_to_stream_sync ( dw, stream, cancellable, NULL); camel_stream_close (stream, cancellable, NULL); } static void efh_image (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { EMFormatPURI *puri; gchar *content; puri = em_format_add_puri ( emf, sizeof (EMFormatPURI), NULL, part, efh_write_image); content = g_strdup_printf ( "", puri->cid); camel_stream_write_string (stream, content, cancellable, NULL); g_free (content); } /* Notes: * * image/tiff is omitted because it's a multi-page image format, but * gdk-pixbuf unconditionally renders the first page only, and doesn't * even indicate through meta-data whether multiple pages are present * (see bug 335959). Therefore, make no attempt to render TIFF images * inline and defer to an application that can handle multi-page TIFF * files properly like Evince or Gimp. Once the referenced bug is * fixed we can reevaluate this policy. */ static EMFormatHandler type_builtin_table[] = { { (gchar *) "image/gif", efh_image }, { (gchar *) "image/jpeg", efh_image }, { (gchar *) "image/png", efh_image }, { (gchar *) "image/x-png", efh_image }, { (gchar *) "image/x-bmp", efh_image }, { (gchar *) "image/bmp", efh_image }, { (gchar *) "image/svg", efh_image }, { (gchar *) "image/x-cmu-raster", efh_image }, { (gchar *) "image/x-ico", efh_image }, { (gchar *) "image/x-portable-anymap", efh_image }, { (gchar *) "image/x-portable-bitmap", efh_image }, { (gchar *) "image/x-portable-graymap", efh_image }, { (gchar *) "image/x-portable-pixmap", efh_image }, { (gchar *) "image/x-xpixmap", efh_image }, { (gchar *) "text/enriched", efh_text_enriched }, { (gchar *) "text/plain", efh_text_plain }, { (gchar *) "text/html", efh_text_html }, { (gchar *) "text/richtext", efh_text_enriched }, { (gchar *) "text/*", efh_text_plain }, { (gchar *) "message/external-body", efh_message_external }, { (gchar *) "message/delivery-status", efh_message_deliverystatus }, { (gchar *) "multipart/related", efh_multipart_related }, /* This is where one adds those busted, non-registered types, * that some idiot mailer writers out there decide to pull out * of their proverbials at random. */ { (gchar *) "image/jpg", efh_image }, { (gchar *) "image/pjpeg", efh_image }, /* special internal types */ { (gchar *) "x-evolution/message/rfc822", efh_format_message } }; static void efh_builtin_init (EMFormatHTMLClass *efhc) { EMFormatClass *efc; gint ii; efc = (EMFormatClass *) efhc; for (ii = 0; ii < G_N_ELEMENTS (type_builtin_table); ii++) em_format_class_add_handler ( efc, &type_builtin_table[ii]); } /* ********************************************************************** */ static void efh_format_text_header (EMFormatHTML *emfh, GString *buffer, const gchar *label, const gchar *value, guint32 flags) { const gchar *fmt, *html; gchar *mhtml = NULL; gboolean is_rtl; if (value == NULL) return; while (*value == ' ') value++; if (!(flags & EM_FORMAT_HTML_HEADER_HTML)) html = mhtml = camel_text_to_html (value, emfh->text_html_flags, 0); else html = value; is_rtl = gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL; if (emfh->simple_headers) { fmt = "%s: %s
"; } else { if (flags & EM_FORMAT_HTML_HEADER_NOCOLUMNS) { if (flags & EM_FORMAT_HEADER_BOLD) { fmt = "%s: %s"; } else { fmt = "%s: %s"; } } else if (flags & EM_FORMAT_HTML_HEADER_NODEC) { if (is_rtl) fmt = "%2$s%1$s "; else fmt = "%s %s"; } else { if (flags & EM_FORMAT_HEADER_BOLD) { if (is_rtl) fmt = "%2$s%1$s: "; else fmt = "%s: %s"; } else { if (is_rtl) fmt = "%2$s%1$s: "; else fmt = "%s: %s"; } } } g_string_append_printf (buffer, fmt, label, html); g_free (mhtml); } static const gchar *addrspec_hdrs[] = { "Sender", "From", "Reply-To", "To", "Cc", "Bcc", "Resent-Sender", "Resent-From", "Resent-Reply-To", "Resent-To", "Resent-Cc", "Resent-Bcc", NULL }; static gchar * efh_format_address (EMFormatHTML *efh, GString *out, struct _camel_header_address *a, gchar *field) { guint32 flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES; gchar *name, *mailto, *addr; gint i = 0; gboolean wrap = FALSE; gchar *str = NULL; gint limit = mail_config_get_address_count (); if (field ) { if ((!strcmp (field, _("To")) && !(efh->header_wrap_flags & EM_FORMAT_HTML_HEADER_TO)) || (!strcmp (field, _("Cc")) && !(efh->header_wrap_flags & EM_FORMAT_HTML_HEADER_CC)) || (!strcmp (field, _("Bcc")) && !(efh->header_wrap_flags & EM_FORMAT_HTML_HEADER_BCC))) wrap = TRUE; } while (a) { if (a->name) name = camel_text_to_html (a->name, flags, 0); else name = NULL; switch (a->type) { case CAMEL_HEADER_ADDRESS_NAME: if (name && *name) { gchar *real, *mailaddr; if (strchr (a->name, ',') || strchr (a->name, ';')) g_string_append_printf (out, ""%s"", name); else g_string_append (out, name); g_string_append (out, " <"); /* rfc2368 for mailto syntax and url encoding extras */ if ((real = camel_header_encode_phrase ((guchar *) a->name))) { mailaddr = g_strdup_printf("%s <%s>", real, a->v.addr); g_free (real); mailto = camel_url_encode (mailaddr, "?=&()"); g_free (mailaddr); } else { mailto = camel_url_encode (a->v.addr, "?=&()"); } } else { mailto = camel_url_encode (a->v.addr, "?=&()"); } addr = camel_text_to_html (a->v.addr, flags, 0); g_string_append_printf (out, "%s", mailto, addr); g_free (mailto); g_free (addr); if (name && *name) g_string_append (out, ">"); break; case CAMEL_HEADER_ADDRESS_GROUP: g_string_append_printf (out, "%s: ", name); efh_format_address (efh, out, a->v.members, field); g_string_append_printf (out, ";"); break; default: g_warning ("Invalid address type"); break; } g_free (name); i++; a = a->next; if (a) g_string_append (out, ", "); /* Let us add a '...' if we have more addresses */ if (limit > 0 && wrap && a && (i > (limit - 1))) { gchar *evolution_imagesdir = g_filename_to_uri (EVOLUTION_IMAGESDIR, NULL, NULL); if (!strcmp (field, _("To"))) { g_string_append (out, "..."); str = g_strdup_printf (" ", evolution_imagesdir); } else if (!strcmp (field, _("Cc"))) { g_string_append (out, "..."); str = g_strdup_printf (" ", evolution_imagesdir); } else if (!strcmp (field, _("Bcc"))) { g_string_append (out, "..."); str = g_strdup_printf (" ", evolution_imagesdir); } g_free (evolution_imagesdir); if (str) return str; } } if (limit > 0 && i > (limit)) { gchar *evolution_imagesdir = g_filename_to_uri (EVOLUTION_IMAGESDIR, NULL, NULL); if (!strcmp (field, _("To"))) { str = g_strdup_printf (" ", evolution_imagesdir); } else if (!strcmp (field, _("Cc"))) { str = g_strdup_printf (" ", evolution_imagesdir); } else if (!strcmp (field, _("Bcc"))) { str = g_strdup_printf (" ", evolution_imagesdir); } g_free (evolution_imagesdir); } return str; } static void canon_header_name (gchar *name) { gchar *inptr = name; /* canonicalise the header name... first letter is * capitalised and any letter following a '-' also gets * capitalised */ if (*inptr >= 'a' && *inptr <= 'z') *inptr -= 0x20; inptr++; while (*inptr) { if (inptr[-1] == '-' && *inptr >= 'a' && *inptr <= 'z') *inptr -= 0x20; else if (*inptr >= 'A' && *inptr <= 'Z') *inptr += 0x20; inptr++; } } static void efh_format_header (EMFormat *emf, GString *buffer, CamelMedium *part, struct _camel_header_raw *header, guint32 flags, const gchar *charset) { EMFormatHTML *efh = (EMFormatHTML *) emf; gchar *name, *buf, *value = NULL; const gchar *label, *txt; gboolean addrspec = FALSE; gchar *str_field = NULL; gint i; name = g_alloca (strlen (header->name) + 1); strcpy (name, header->name); canon_header_name (name); for (i = 0; addrspec_hdrs[i]; i++) { if (!strcmp (name, addrspec_hdrs[i])) { addrspec = TRUE; break; } } label = _(name); if (addrspec) { struct _camel_header_address *addrs; GString *html; gchar *img; buf = camel_header_unfold (header->value); if (!(addrs = camel_header_address_decode (buf, emf->charset ? emf->charset : emf->default_charset))) { g_free (buf); return; } g_free (buf); html = g_string_new(""); img = efh_format_address (efh, html, addrs, (gchar *) label); if (img) { str_field = g_strdup_printf ("%s%s:", img, label); label = str_field; flags |= EM_FORMAT_HTML_HEADER_NODEC; g_free (img); } camel_header_address_list_clear (&addrs); txt = value = html->str; g_string_free (html, FALSE); flags |= EM_FORMAT_HEADER_BOLD | EM_FORMAT_HTML_HEADER_HTML; } else if (!strcmp (name, "Subject")) { buf = camel_header_unfold (header->value); txt = value = camel_header_decode_string (buf, charset); g_free (buf); flags |= EM_FORMAT_HEADER_BOLD; } else if (!strcmp(name, "X-evolution-mailer")) { /* pseudo-header */ label = _("Mailer"); txt = value = camel_header_format_ctext (header->value, charset); flags |= EM_FORMAT_HEADER_BOLD; } else if (!strcmp (name, "Date") || !strcmp (name, "Resent-Date")) { gint msg_offset, local_tz; time_t msg_date; struct tm local; gchar *html; gboolean hide_real_date; hide_real_date = !em_format_html_get_show_real_date (efh); txt = header->value; while (*txt == ' ' || *txt == '\t') txt++; html = camel_text_to_html (txt, efh->text_html_flags, 0); msg_date = camel_header_decode_date (txt, &msg_offset); e_localtime_with_offset (msg_date, &local, &local_tz); /* Convert message offset to minutes (e.g. -0400 --> -240) */ msg_offset = ((msg_offset / 100) * 60) + (msg_offset % 100); /* Turn into offset from localtime, not UTC */ msg_offset -= local_tz / 60; /* value will be freed at the end */ if (!hide_real_date && !msg_offset) { /* No timezone difference; just show the real Date: header */ txt = value = html; } else { gchar *date_str; date_str = e_datetime_format_format ("mail", "header", DTFormatKindDateTime, msg_date); if (hide_real_date) { /* Show only the local-formatted date, losing all timezone * information like Outlook does. Should we attempt to show * it somehow? */ txt = value = date_str; } else { txt = value = g_strdup_printf ("%s (%s)", html, date_str); g_free (date_str); } g_free (html); } flags |= EM_FORMAT_HTML_HEADER_HTML | EM_FORMAT_HEADER_BOLD; } else if (!strcmp(name, "Newsgroups")) { struct _camel_header_newsgroup *ng, *scan; GString *html; buf = camel_header_unfold (header->value); if (!(ng = camel_header_newsgroups_decode (buf))) { g_free (buf); return; } g_free (buf); html = g_string_new(""); scan = ng; while (scan) { g_string_append_printf(html, "%s", scan->newsgroup, scan->newsgroup); scan = scan->next; if (scan) g_string_append_printf(html, ", "); } camel_header_newsgroups_free (ng); txt = html->str; g_string_free (html, FALSE); flags |= EM_FORMAT_HEADER_BOLD | EM_FORMAT_HTML_HEADER_HTML; } else if (!strcmp (name, "Received") || !strncmp (name, "X-", 2)) { /* don't unfold Received nor extension headers */ txt = value = camel_header_decode_string (header->value, charset); } else { /* don't unfold Received nor extension headers */ buf = camel_header_unfold (header->value); txt = value = camel_header_decode_string (buf, charset); g_free (buf); } efh_format_text_header (efh, buffer, label, txt, flags); g_free (value); g_free (str_field); } static void efh_format_headers (EMFormatHTML *efh, GString *buffer, CamelMedium *part, GCancellable *cancellable) { EMFormat *emf = (EMFormat *) efh; const gchar *charset; CamelContentType *ct; struct _camel_header_raw *header; gboolean have_icon = FALSE; const gchar *photo_name = NULL; CamelInternetAddress *cia = NULL; gboolean face_decoded = FALSE, contact_has_photo = FALSE; guchar *face_header_value = NULL; gsize face_header_len = 0; gchar *header_sender = NULL, *header_from = NULL, *name; gboolean mail_from_delegate = FALSE; const gchar *hdr_charset; gchar *evolution_imagesdir; if (!part) return; ct = camel_mime_part_get_content_type ((CamelMimePart *) part); charset = camel_content_type_param (ct, "charset"); charset = camel_iconv_charset_name (charset); if (!efh->simple_headers) g_string_append_printf ( buffer, "\n" "", e_color_to_value ( &efh->priv->colors[ EM_FORMAT_HTML_COLOR_HEADER])); hdr_charset = emf->charset ? emf->charset : emf->default_charset; evolution_imagesdir = g_filename_to_uri (EVOLUTION_IMAGESDIR, NULL, NULL); /* If the header is collapsed, display just subject and sender in one row and leave */ if (efh->priv->headers_state == EM_FORMAT_HTML_HEADERS_STATE_COLLAPSED && efh->priv->headers_collapsable) { gchar *subject = NULL; struct _camel_header_address *addrs = NULL; GString *from = g_string_new (""); header = ((CamelMimePart *) part)->headers; while (header) { if (!g_ascii_strcasecmp (header->name, "From")) { GString *tmp; if (!(addrs = camel_header_address_decode (header->value, hdr_charset))) { header = header->next; continue; } tmp = g_string_new (""); efh_format_address (efh, tmp, addrs, header->name); if (tmp->len) g_string_printf (from, _("From: %s"), tmp->str); g_string_free (tmp, TRUE); } else if (!g_ascii_strcasecmp (header->name, "Subject")) { gchar *buf = NULL; buf = camel_header_unfold (header->value); g_free (subject); subject = camel_header_decode_string (buf, hdr_charset); g_free (buf); } header = header->next; } g_string_append_printf ( buffer, "" "" "" "", evolution_imagesdir, subject ? subject : _("(no subject)"), from->len ? "(" : "", from->str, from->len ? ")" : ""); g_free (subject); if (addrs) camel_header_address_list_clear (&addrs); g_string_free (from, TRUE); g_string_append (buffer, "
" "" "" "%s %s%s%s
"); g_free (evolution_imagesdir); return; } header = ((CamelMimePart *) part)->headers; while (header) { if (!g_ascii_strcasecmp (header->name, "Sender")) { struct _camel_header_address *addrs; GString *html; if (!(addrs = camel_header_address_decode (header->value, hdr_charset))) break; html = g_string_new(""); name = efh_format_address (efh, html, addrs, header->name); header_sender = html->str; camel_header_address_list_clear (&addrs); g_string_free (html, FALSE); g_free (name); } else if (!g_ascii_strcasecmp (header->name, "From")) { struct _camel_header_address *addrs; GString *html; if (!(addrs = camel_header_address_decode (header->value, hdr_charset))) break; html = g_string_new(""); name = efh_format_address (efh, html, addrs, header->name); header_from = html->str; camel_header_address_list_clear (&addrs); g_string_free (html, FALSE); g_free (name); } else if (!g_ascii_strcasecmp (header->name, "X-Evolution-Mail-From-Delegate")) { mail_from_delegate = TRUE; } header = header->next; } if (header_sender && header_from && mail_from_delegate) { gchar *bold_sender, *bold_from; g_string_append ( buffer, ""); if (gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL) g_string_append ( buffer, "
"); else g_string_append ( buffer, ""); bold_sender = g_strconcat ("", header_sender, "", NULL); bold_from = g_strconcat ("", header_from, "", NULL); /* Translators: This message suggests to the receipients * that the sender of the mail is different from the one * listed in From field. */ g_string_append_printf ( buffer, _("This message was sent by %s on behalf of %s"), bold_sender, bold_from); g_string_append (buffer, "
"); g_free (bold_sender); g_free (bold_from); } g_free (header_sender); g_free (header_from); if (gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL) { if (efh->priv->headers_collapsable) g_string_append_printf ( buffer, "" "" "" "" "" "\n", evolution_imagesdir); else g_string_append ( buffer, "
" "\n"); } else { if (efh->priv->headers_collapsable) g_string_append_printf ( buffer, "" "" "
" "" "" "\n", evolution_imagesdir); else g_string_append ( buffer, ""); if (photo_name) { gchar *classid; CamelMimePart *photopart; gboolean only_local_photo; cia = camel_internet_address_new (); camel_address_decode ((CamelAddress *) cia, (const gchar *) photo_name); only_local_photo = em_format_html_get_only_local_photos (efh); photopart = em_utils_contact_photo (cia, only_local_photo); if (photopart) { contact_has_photo = TRUE; classid = g_strdup_printf ( "icon:///em-format-html/%s/photo/header", emf->part_id->str); g_string_append_printf ( buffer, "", classid); em_format_add_puri (emf, sizeof (EMFormatPURI), classid, photopart, efh_write_image); g_object_unref (photopart); g_free (classid); } g_object_unref (cia); } if (!contact_has_photo && face_decoded) { gchar *classid; CamelMimePart *part; part = camel_mime_part_new (); camel_mime_part_set_content ( (CamelMimePart *) part, (const gchar *) face_header_value, face_header_len, "image/png"); classid = g_strdup_printf ( "icon:///em-format-html/face/photo/header"); g_string_append_printf ( buffer, "", classid); em_format_add_puri ( emf, sizeof (EMFormatPURI), classid, part, efh_write_image); g_object_unref (part); } if (have_icon && efh->show_icon) { GtkIconInfo *icon_info; gchar *classid; CamelMimePart *iconpart = NULL; classid = g_strdup_printf ( "icon:///em-format-html/%s/icon/header", emf->part_id->str); g_string_append_printf ( buffer, "", classid); icon_info = gtk_icon_theme_lookup_icon ( gtk_icon_theme_get_default (), "evolution", 16, GTK_ICON_LOOKUP_NO_SVG); if (icon_info != NULL) { iconpart = em_format_html_file_part ( (EMFormatHTML *) emf, "image/png", gtk_icon_info_get_filename (icon_info), cancellable); gtk_icon_info_free (icon_info); } if (iconpart) { em_format_add_puri ( emf, sizeof (EMFormatPURI), classid, iconpart, efh_write_image); g_object_unref (iconpart); } g_free (classid); } g_string_append (buffer, "
" "\n"); } g_free (evolution_imagesdir); /* dump selected headers */ if (emf->mode == EM_FORMAT_MODE_ALLHEADERS) { header = ((CamelMimePart *) part)->headers; while (header) { efh_format_header ( emf, buffer, part, header, EM_FORMAT_HTML_HEADER_NOCOLUMNS, charset); header = header->next; } } else { GList *link; gint mailer_shown = FALSE; link = g_queue_peek_head_link (&emf->header_list); while (link != NULL) { EMFormatHeader *h = link->data; gint mailer, face; header = ((CamelMimePart *) part)->headers; mailer = !g_ascii_strcasecmp (h->name, "X-Evolution-Mailer"); face = !g_ascii_strcasecmp (h->name, "Face"); while (header) { if (em_format_html_get_show_sender_photo (efh) && !photo_name && !g_ascii_strcasecmp (header->name, "From")) photo_name = header->value; if (!mailer_shown && mailer && (!g_ascii_strcasecmp (header->name, "X-Mailer") || !g_ascii_strcasecmp (header->name, "User-Agent") || !g_ascii_strcasecmp (header->name, "X-Newsreader") || !g_ascii_strcasecmp (header->name, "X-MimeOLE"))) { struct _camel_header_raw xmailer, *use_header = NULL; if (!g_ascii_strcasecmp (header->name, "X-MimeOLE")) { for (use_header = header->next; use_header; use_header = use_header->next) { if (!g_ascii_strcasecmp (use_header->name, "X-Mailer") || !g_ascii_strcasecmp (use_header->name, "User-Agent") || !g_ascii_strcasecmp (use_header->name, "X-Newsreader")) { /* even we have X-MimeOLE, then use rather the standard one, when available */ break; } } } if (!use_header) use_header = header; xmailer.name = (gchar *) "X-Evolution-Mailer"; xmailer.value = use_header->value; mailer_shown = TRUE; efh_format_header ( emf, buffer, part, &xmailer, h->flags, charset); if (strstr(use_header->value, "Evolution")) have_icon = TRUE; } else if (!face_decoded && face && !g_ascii_strcasecmp (header->name, "Face")) { gchar *cp = header->value; /* Skip over spaces */ while (*cp == ' ') cp++; face_header_value = g_base64_decode (cp, &face_header_len); face_header_value = g_realloc (face_header_value, face_header_len + 1); face_header_value[face_header_len] = 0; face_decoded = TRUE; /* Showing an encoded "Face" header makes little sense */ } else if (!g_ascii_strcasecmp (header->name, h->name) && !face) { efh_format_header ( emf, buffer, part, header, h->flags, charset); } header = header->next; } link = g_list_next (link); } } if (!efh->simple_headers) { g_string_append (buffer, "
" "" "" "
\n\n"); } } static void efh_format_message (EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info, GCancellable *cancellable, gboolean is_fallback) { const EMFormatHandler *handle; GString *buffer; /* TODO: make this validity stuff a method */ EMFormatHTML *efh = (EMFormatHTML *) emf; CamelCipherValidity *save = emf->valid, *save_parent = emf->valid_parent; emf->valid = NULL; emf->valid_parent = NULL; buffer = g_string_sized_new (1024); if (emf->message != (CamelMimeMessage *) part) g_string_append (buffer, "
\n"); if (!efh->hide_headers) efh_format_headers ( efh, buffer, CAMEL_MEDIUM (part), cancellable); camel_stream_write ( stream, buffer->str, buffer->len, cancellable, NULL); g_string_free (buffer, TRUE); handle = em_format_find_handler(emf, "x-evolution/message/post-header"); if (handle) handle->handler ( emf, stream, part, handle, cancellable, FALSE); camel_stream_write_string ( stream, EM_FORMAT_HTML_VPAD, cancellable, NULL); em_format_part (emf, stream, part, cancellable); if (emf->message != (CamelMimeMessage *) part) camel_stream_write_string ( stream, "
\n", cancellable, NULL); camel_cipher_validity_free (emf->valid); emf->valid = save; emf->valid_parent = save_parent; } gchar * em_format_html_format_cert_infos (CamelCipherCertInfo *first_cinfo) { GString *res = NULL; CamelCipherCertInfo *cinfo; if (!first_cinfo) return NULL; #define append(x) G_STMT_START { \ if (!res) { \ res = g_string_new (x); \ } else { \ g_string_append (res, x); \ } \ } G_STMT_END for (cinfo = first_cinfo; cinfo && cinfo->next; cinfo = cinfo->next) { if (!cinfo->name && !cinfo->email) continue; if (res) append (", "); if (cinfo->name && *cinfo->name) { append (cinfo->name); if (cinfo->email && *cinfo->email) { append (" <"); append (cinfo->email); append (">"); } } else if (cinfo->email && *cinfo->email) { append (cinfo->email); } } #undef append if (!res) return NULL; return g_string_free (res, FALSE); } /* unref returned pointer with g_object_unref(), if not NULL */ CamelStream * em_format_html_get_cached_image (EMFormatHTML *efh, const gchar *image_uri) { g_return_val_if_fail (efh != NULL, NULL); g_return_val_if_fail (image_uri != NULL, NULL); if (!emfh_http_cache) return NULL; return camel_data_cache_get ( emfh_http_cache, EMFH_HTTP_CACHE_PATH, image_uri, NULL); }