/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Authors: Michael Zucchi * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * */ #ifdef HAVE_CONFIG_H #include #endif #include #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-icon-factory.h" #include "e-util/e-util-private.h" #include "e-util/e-util.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mail-component.h" #include "mail-config.h" #include "mail-mt.h" #include "em-format-html.h" #include "em-html-stream.h" #include "em-utils.h" #define d(x) #define EFM_MESSAGE_START_ANAME "evolution#message#start" #define EFH_MESSAGE_START "" struct _EMFormatHTMLCache { CamelMultipart *textmp; char partid[1]; }; struct _EMFormatHTMLPrivate { struct _CamelMimeMessage *last_part; /* not reffed, DO NOT dereference */ volatile int 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; EDList pending_jobs; GMutex *lock; }; static void efh_url_requested(GtkHTML *html, const char *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); static void efh_format_clone(EMFormat *emf, CamelFolder *folder, const char *uid, CamelMimeMessage *msg, EMFormat *emfsource); static void efh_format_error(EMFormat *emf, CamelStream *stream, const char *txt); static void efh_format_source(EMFormat *, CamelStream *, CamelMimePart *); static void efh_format_attachment(EMFormat *, CamelStream *, CamelMimePart *, const char *, const EMFormatHandler *); static void efh_format_secure(EMFormat *emf, CamelStream *stream, CamelMimePart *part, CamelCipherValidity *valid); static gboolean efh_busy(EMFormat *); static void efh_builtin_init(EMFormatHTMLClass *efhc); static void efh_write_image(EMFormat *emf, CamelStream *stream, EMFormatPURI *puri); static EMFormatClass *efh_parent; static CamelDataCache *emfh_http_cache; #define EMFH_HTTP_CACHE_PATH "http" static void efh_free_cache(struct _EMFormatHTMLCache *efhc) { if (efhc->textmp) camel_object_unref(efhc->textmp); g_free(efhc); } static void efh_init(GObject *o) { EMFormatHTML *efh = (EMFormatHTML *)o; efh->priv = g_malloc0(sizeof(*efh->priv)); e_dlist_init(&efh->pending_object_list); e_dlist_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); efh->html = (GtkHTML *)gtk_html_new(); gtk_html_set_blocking(efh->html, FALSE); gtk_html_set_caret_first_focus_anchor (efh->html, EFM_MESSAGE_START_ANAME); g_object_ref_sink(efh->html); gtk_html_set_default_content_type(efh->html, "text/html; charset=utf-8"); gtk_html_set_editable(efh->html, FALSE); g_signal_connect(efh->html, "destroy", G_CALLBACK(efh_gtkhtml_destroy), efh); g_signal_connect(efh->html, "url_requested", G_CALLBACK(efh_url_requested), efh); g_signal_connect(efh->html, "object_requested", G_CALLBACK(efh_object_requested), efh); efh->body_colour = 0xeeeeee; efh->header_colour = 0xeeeeee; efh->text_colour = 0; efh->frame_colour = 0x3f3f3f; efh->content_colour = 0xffffff; 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; } 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->html) { g_object_unref(efh->html); efh->html = NULL; } } static struct _EMFormatHTMLCache * efh_insert_cache(EMFormatHTML *efh, const char *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_finalise(GObject *o) { EMFormatHTML *efh = (EMFormatHTML *)o; /* FIXME: check for leaked stuff */ em_format_html_clear_pobject(efh); efh_gtkhtml_destroy(efh->html, efh); g_hash_table_destroy(efh->priv->text_inline_parts); g_free(efh->priv); ((GObjectClass *)efh_parent)->finalize(o); } static void efh_base_init(EMFormatHTMLClass *efhklass) { efh_builtin_init(efhklass); } static void efh_class_init(GObjectClass *klass) { ((EMFormatClass *)klass)->format_clone = efh_format_clone; ((EMFormatClass *)klass)->format_error = efh_format_error; ((EMFormatClass *)klass)->format_source = efh_format_source; ((EMFormatClass *)klass)->format_attachment = efh_format_attachment; ((EMFormatClass *)klass)->format_secure = efh_format_secure; ((EMFormatClass *)klass)->busy = efh_busy; klass->finalize = efh_finalise; } GType em_format_html_get_type(void) { static GType type = 0; if (type == 0) { static const GTypeInfo info = { sizeof(EMFormatHTMLClass), (GBaseInitFunc)efh_base_init, NULL, (GClassInitFunc)efh_class_init, NULL, NULL, sizeof(EMFormatHTML), 0, (GInstanceInitFunc)efh_init }; const char *base_directory = e_get_user_data_dir (); char *path; /* Trigger creation of mail component. */ mail_component_peek (); efh_parent = g_type_class_ref(em_format_get_type()); type = g_type_register_static(em_format_get_type(), "EMFormatHTML", &info, 0); /* cache expiry - 2 hour access, 1 day max */ path = alloca(strlen(base_directory)+16); sprintf(path, "%s/cache", base_directory); emfh_http_cache = camel_data_cache_new(path, 0, 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); } } return type; } EMFormatHTML *em_format_html_new(void) { EMFormatHTML *efh; efh = g_object_new(em_format_html_get_type(), NULL); return efh; } /* force loading of http images */ void em_format_html_load_http(EMFormatHTML *emfh) { if (emfh->load_http == MAIL_CONFIG_HTTP_ALWAYS) return; /* This will remain set while we're still rendering the same message, then it wont be */ emfh->load_http_now = TRUE; d(printf("redrawing with images forced on\n")); em_format_redraw((EMFormat *)emfh); } void em_format_html_set_load_http(EMFormatHTML *emfh, int style) { if (emfh->load_http != style) { emfh->load_http = style; em_format_redraw((EMFormat *)emfh); } } void em_format_html_set_mark_citations(EMFormatHTML *emfh, int state, guint32 citation_colour) { if (emfh->mark_citations ^ state || emfh->citation_colour != citation_colour) { emfh->mark_citations = state; emfh->citation_colour = citation_colour; if (state) emfh->text_html_flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; else emfh->text_html_flags &= ~CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; em_format_redraw((EMFormat *)emfh); } } CamelMimePart * em_format_html_file_part(EMFormatHTML *efh, const char *mime_type, const char *filename) { CamelMimePart *part; CamelStream *stream; CamelDataWrapper *dw; char *basename; stream = camel_stream_fs_new_with_name(filename, O_RDONLY, 0); if (stream == NULL) return NULL; part = camel_mime_part_new(); dw = camel_data_wrapper_new(); camel_data_wrapper_construct_from_stream(dw, stream); camel_object_unref(stream); if (mime_type) camel_data_wrapper_set_mime_type(dw, mime_type); part = camel_mime_part_new(); camel_medium_set_content_object((CamelMedium *)part, dw); camel_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, size_t size, const char *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; e_dlist_addtail(&efh->pending_object_list, (EDListNode *)pobj); return pobj; } EMFormatHTMLPObject * em_format_html_find_pobject(EMFormatHTML *emf, const char *classid) { EMFormatHTMLPObject *pw; pw = (EMFormatHTMLPObject *)emf->pending_object_list.head; while (pw->next) { if (!strcmp(pw->classid, classid)) return pw; pw = pw->next; } return NULL; } EMFormatHTMLPObject * em_format_html_find_pobject_func(EMFormatHTML *emf, CamelMimePart *part, EMFormatHTMLPObjectFunc func) { EMFormatHTMLPObject *pw; pw = (EMFormatHTMLPObject *)emf->pending_object_list.head; while (pw->next) { if (pw->func == func && pw->part == part) return pw; pw = pw->next; } return NULL; } void em_format_html_remove_pobject(EMFormatHTML *emf, EMFormatHTMLPObject *pobject) { e_dlist_remove((EDListNode *)pobject); if (pobject->free) pobject->free(pobject); g_free(pobject->classid); g_free(pobject); } void em_format_html_clear_pobject(EMFormatHTML *emf) { d(printf("clearing pending objects\n")); while (!e_dlist_empty(&emf->pending_object_list)) em_format_html_remove_pobject(emf, (EMFormatHTMLPObject *)emf->pending_object_list.head); } struct _EMFormatHTMLJob * em_format_html_job_new(EMFormatHTML *emfh, void (*callback)(struct _EMFormatHTMLJob *job, int cancelled), void *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); e_dlist_addtail(&emfh->priv->pending_jobs, (EDListNode *)job); g_mutex_unlock(emfh->priv->lock); } /* ********************************************************************** */ static void emfh_getpuri(struct _EMFormatHTMLJob *job, int cancelled) { d(printf(" running getpuri task\n")); if (!cancelled) job->u.puri->func((EMFormat *)job->format, job->stream, job->u.puri); } static void emfh_gethttp(struct _EMFormatHTMLJob *job, int cancelled) { CamelStream *cistream = NULL, *costream = NULL, *instream = NULL; CamelURL *url; CamelContentType *content_type; CamelHttpStream *tmp_stream; ssize_t n, total = 0, pc_complete = 0, nread = 0; char buffer[1500]; const char *length; if (cancelled || (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) { char *proxy; if (!(job->format->load_http_now || job->format->load_http == MAIL_CONFIG_HTTP_ALWAYS || (job->format->load_http == MAIL_CONFIG_HTTP_SOMETIMES && em_utils_in_addressbook((CamelInternetAddress *)camel_mime_message_get_from(job->format->format.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); proxy = em_utils_get_proxy_uri(); camel_http_stream_set_proxy((CamelHttpStream *)instream, proxy); g_free(proxy); camel_operation_start(NULL, _("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_start_transient(NULL, _("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 { /* FIXME: progress reporting in percentage, can we get the length always? do we care? */ n = camel_stream_read(instream, buffer, sizeof (buffer)); 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(NULL, pc_complete); } d(printf(" read %d bytes\n", n)); if (costream && camel_stream_write(costream, buffer, n) == -1) { camel_data_cache_remove(emfh_http_cache, EMFH_HTTP_CACHE_PATH, job->u.uri, NULL); camel_object_unref(costream); costream = NULL; } camel_stream_write(job->stream, buffer, n); } else if (n < 0 && costream) { camel_data_cache_remove(emfh_http_cache, EMFH_HTTP_CACHE_PATH, job->u.uri, NULL); camel_object_unref(costream); costream = NULL; } } while (n>0); /* indicates success */ if (n == 0) camel_stream_close(job->stream); if (costream) camel_object_unref(costream); camel_object_unref(instream); done: camel_operation_end(NULL); badurl: g_free(job->u.uri); } /* ********************************************************************** */ static void efh_url_requested(GtkHTML *html, const char *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_object((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_ascii_strncasecmp(url, "/", 1) == 0) { char *data = NULL; gsize length = 0; gboolean status; status = g_file_get_contents (url, &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); } 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); } } static gboolean efh_object_requested(GtkHTML *html, GtkHTMLEmbedded *eb, EMFormatHTML *efh) { EMFormatHTMLPObject *pobject; int 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 */ e_dlist_remove((EDListNode *)pobject); res = pobject->func(efh, eb, pobject); e_dlist_addhead(&efh->pending_object_list, (EDListNode *)pobject); } else { d(printf("HTML Includes reference to unknown object '%s'\n", eb->classid)); } return res; } /* ********************************************************************** */ #include "em-inline-filter.h" #include /* FIXME: This is duplicated in em-format-html-display, should be exported or in security module */ static const struct { const char *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 char *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 char *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) { efh_parent->format_secure(emf, stream, part, valid); /* 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)) { char *classid, *iconpath; const char *icon; CamelMimePart *iconpart; camel_stream_printf (stream, "", smime_sign_colour[valid->sign.status]); classid = g_strdup_printf("smime:///em-format-html/%s/icon/signed", emf->part_id->str); camel_stream_printf(stream, "
", 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, E_ICON_SIZE_DIALOG); iconpart = em_format_html_file_part((EMFormatHTML *)emf, "image/png", iconpath); if (iconpart) { (void)em_format_add_puri(emf, sizeof(EMFormatPURI), classid, iconpart, efh_write_image); camel_object_unref(iconpart); } g_free (iconpath); g_free(classid); if (valid->sign.status != CAMEL_CIPHER_VALIDITY_SIGN_NONE) { camel_stream_printf(stream, "%s
", _(smime_sign_table[valid->sign.status].shortdesc)); } if (valid->encrypt.status != CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE) { camel_stream_printf(stream, "%s
", _(smime_encrypt_table[valid->encrypt.status].shortdesc)); } camel_stream_printf(stream, "
"); } } static void efh_text_plain(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info) { CamelStreamFilter *filtered_stream; CamelMimeFilter *html_filter; CamelMultipart *mp; CamelDataWrapper *dw; CamelContentType *type; const char *format; guint32 flags; int i, count, len; struct _EMFormatHTMLCache *efhc; flags = efh->text_html_flags; dw = camel_medium_get_content_object((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, ((EMFormat *)efh)->part_id->str); if (efhc == NULL || (mp = efhc->textmp) == NULL) { EMInlineFilter *inline_filter; CamelStream *null; CamelContentType *ct; /* if we had to snoop the part type to get here, then * use that as the base type, yuck */ if (((EMFormat *)efh)->snoop_mime_type == NULL || (ct = camel_content_type_decode(((EMFormat *)efh)->snoop_mime_type)) == NULL) { ct = dw->mime_type; camel_content_type_ref(ct); } null = camel_stream_null_new(); filtered_stream = camel_stream_filter_new_with_stream(null); camel_object_unref(null); inline_filter = em_inline_filter_new(camel_mime_part_get_encoding(part), ct); camel_stream_filter_add(filtered_stream, (CamelMimeFilter *)inline_filter); camel_data_wrapper_write_to_stream(dw, (CamelStream *)filtered_stream); camel_stream_close((CamelStream *)filtered_stream); camel_object_unref(filtered_stream); mp = em_inline_filter_get_multipart(inline_filter); if (efhc == NULL) efhc = efh_insert_cache(efh, ((EMFormat *)efh)->part_id->str); efhc->textmp = mp; camel_object_unref(inline_filter); camel_content_type_unref(ct); } filtered_stream = camel_stream_filter_new_with_stream(stream); html_filter = camel_mime_filter_tohtml_new(flags, efh->citation_colour); camel_stream_filter_add(filtered_stream, html_filter); camel_object_unref(html_filter); /* We handle our made-up multipart here, so we don't recursively call ourselves */ len = ((EMFormat *)efh)->part_id->len; count = camel_multipart_get_number(mp); for (i=0;i\n", efh->frame_colour & 0xffffff, efh->content_colour & 0xffffff, efh->text_colour & 0xffffff); camel_stream_write_string(stream, "\n" EFH_MESSAGE_START); em_format_format_text((EMFormat *)efh, (CamelStream *)filtered_stream, (CamelDataWrapper *)newpart); camel_stream_flush((CamelStream *)filtered_stream); camel_stream_write_string(stream, "\n"); camel_stream_write_string(stream, "\n"); } else { g_string_append_printf(((EMFormat *)efh)->part_id, ".inline.%d", i); em_format_part((EMFormat *)efh, stream, newpart); g_string_truncate(((EMFormat *)efh)->part_id, len); } } camel_object_unref(filtered_stream); } static void efh_text_enriched(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info) { CamelStreamFilter *filtered_stream; CamelMimeFilter *enriched; CamelDataWrapper *dw; guint32 flags = 0; dw = camel_medium_get_content_object((CamelMedium *)part); if (!strcmp(info->mime_type, "text/richtext")) { flags = CAMEL_MIME_FILTER_ENRICHED_IS_RICHTEXT; camel_stream_write_string( stream, "\n\n"); } else { camel_stream_write_string( stream, "\n\n"); } enriched = camel_mime_filter_enriched_new(flags); filtered_stream = camel_stream_filter_new_with_stream (stream); camel_stream_filter_add(filtered_stream, enriched); camel_object_unref(enriched); camel_stream_printf (stream, "
\n" EFH_MESSAGE_START, efh->frame_colour & 0xffffff, efh->content_colour & 0xffffff, efh->text_colour & 0xffffff); em_format_format_text((EMFormat *)efh, (CamelStream *)filtered_stream, (CamelDataWrapper *)part); camel_object_unref(filtered_stream); camel_stream_write_string(stream, "
"); } static void efh_write_text_html(EMFormat *emf, CamelStream *stream, EMFormatPURI *puri) { #if d(!)0 CamelStream *out; int 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_object(puri->part); if (dw) camel_data_wrapper_write_to_stream(dw, out); camel_object_unref(out); #endif em_format_format_text(emf, stream, (CamelDataWrapper *)puri->part); } static void efh_text_html(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info) { const char *location; /* This is set but never used for anything */ EMFormatPURI *puri; char *cid = NULL; camel_stream_printf (stream, "
\n" "\n" EFH_MESSAGE_START, efh->frame_colour & 0xffffff, efh->content_colour & 0xffffff, efh->text_colour & 0xffffff); /* 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 (((EMFormat *)efh)->base) cid = camel_url_to_string(((EMFormat *)efh)->base, 0); else cid = g_strdup(((EMFormat *)efh)->part_id->str); } else { if (strchr(location, ':') == NULL && ((EMFormat *)efh)->base != NULL) { CamelURL *uri; uri = camel_url_new_with_base(((EMFormat *)efh)->base, location); cid = camel_url_to_string(uri, 0); camel_url_free(uri); } else { cid = g_strdup(location); } } puri = em_format_add_puri((EMFormat *)efh, sizeof(EMFormatPURI), cid, part, efh_write_text_html); d(printf("adding iframe, location %s\n", cid)); camel_stream_printf(stream, "\n" "
\n", cid, cid); g_free(cid); } /* This is a lot of code for something useless ... */ static void efh_message_external(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info) { CamelContentType *type; const char *access_type; char *url = NULL, *desc = NULL; if (!part) { camel_stream_printf(stream, _("Unknown external-body part.")); 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_printf(stream, _("Malformed external-body part.")); return; } if (!g_ascii_strcasecmp(access_type, "ftp") || !g_ascii_strcasecmp(access_type, "anon-ftp")) { const char *name, *site, *dir, *mode; char *path; char 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 char *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 char *urlparam; char *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 ((unsigned char)*s)) *d++ = *s; s++; } *d = 0; desc = g_strdup_printf (_("Pointer to remote data (%s)"), url); } else goto fail; camel_stream_printf(stream, "%s", url, desc); g_free(url); g_free(desc); return; fail: camel_stream_printf(stream, _("Pointer to unknown external data (\"%s\" type)"), access_type); } static void efh_message_deliverystatus(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info) { CamelStreamFilter *filtered_stream; CamelMimeFilter *html_filter; guint32 rgb = 0x737373; /* Yuck, this is copied from efh_text_plain */ camel_stream_printf (stream, "
\n", efh->frame_colour & 0xffffff, efh->content_colour & 0xffffff, efh->text_colour & 0xffffff); filtered_stream = camel_stream_filter_new_with_stream(stream); html_filter = camel_mime_filter_tohtml_new(efh->text_html_flags, rgb); camel_stream_filter_add(filtered_stream, html_filter); camel_object_unref(html_filter); camel_stream_write_string(stream, "\n" EFH_MESSAGE_START); em_format_format_text((EMFormat *)efh, (CamelStream *)filtered_stream, (CamelDataWrapper *)part); camel_stream_flush((CamelStream *)filtered_stream); camel_stream_write_string(stream, "\n"); camel_stream_write_string(stream, "
"); } static void emfh_write_related(EMFormat *emf, CamelStream *stream, EMFormatPURI *puri) { em_format_format_content(emf, stream, puri->part); camel_stream_close(stream); } static void emfh_multipart_related_check(struct _EMFormatHTMLJob *job, int cancelled) { struct _EMFormatPURITree *ptree; EMFormatPURI *puri, *purin; char *oldpartid; if (cancelled) return; d(printf(" running multipart/related check task\n")); oldpartid = g_strdup(((EMFormat *)job->format)->part_id->str); ptree = job->puri_level; puri = (EMFormatPURI *)ptree->uri_list.head; purin = puri->next; while (purin) { 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(((EMFormat *)job->format)->part_id, puri->part_id); em_format_part((EMFormat *)job->format, (CamelStream *)job->stream, puri->part); } /* else it was probably added by a previous format this loop */ } puri = purin; purin = purin->next; } g_string_printf(((EMFormat *)job->format)->part_id, "%s", oldpartid); g_free(oldpartid); } /* RFC 2387 */ static void efh_multipart_related(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info) { CamelMultipart *mp = (CamelMultipart *)camel_medium_get_content_object((CamelMedium *)part); CamelMimePart *body_part, *display_part = NULL; CamelContentType *content_type; const char *start; int i, nparts, partidlen, displayid = 0; /* puri is set but never used */ EMFormatPURI *puri; struct _EMFormatHTMLJob *job; if (!CAMEL_IS_MULTIPART(mp)) { em_format_format_source(emf, stream, part); 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) { int len; const char *cid; /* strip <>'s */ len = strlen (start) - 2; start++; for (i=0; ipart_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); puri = 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); g_string_truncate(emf->part_id, partidlen); camel_stream_flush(stream); /* queue a job to check for un-referenced parts to add as attachments */ job = em_format_html_job_new((EMFormatHTML *)emf, emfh_multipart_related_check, NULL); job->stream = stream; camel_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) { CamelDataWrapper *dw = camel_medium_get_content_object((CamelMedium *)puri->part); d(printf("writing image '%s'\n", puri->cid)); camel_data_wrapper_decode_to_stream(dw, stream); camel_stream_close(stream); } static void efh_image(EMFormatHTML *efh, CamelStream *stream, CamelMimePart *part, EMFormatHandler *info) { EMFormatPURI *puri; puri = em_format_add_puri((EMFormat *)efh, sizeof(EMFormatPURI), NULL, part, efh_write_image); d(printf("adding image '%s'\n", puri->cid)); camel_stream_printf(stream, "", puri->cid); } static EMFormatHandler type_builtin_table[] = { { "image/gif", (EMFormatFunc)efh_image }, { "image/jpeg", (EMFormatFunc)efh_image }, { "image/png", (EMFormatFunc)efh_image }, { "image/x-png", (EMFormatFunc)efh_image }, { "image/tiff", (EMFormatFunc)efh_image }, { "image/x-bmp", (EMFormatFunc)efh_image }, { "image/bmp", (EMFormatFunc)efh_image }, { "image/svg", (EMFormatFunc)efh_image }, { "image/x-cmu-raster", (EMFormatFunc)efh_image }, { "image/x-ico", (EMFormatFunc)efh_image }, { "image/x-portable-anymap", (EMFormatFunc)efh_image }, { "image/x-portable-bitmap", (EMFormatFunc)efh_image }, { "image/x-portable-graymap", (EMFormatFunc)efh_image }, { "image/x-portable-pixmap", (EMFormatFunc)efh_image }, { "image/x-xpixmap", (EMFormatFunc)efh_image }, { "text/enriched", (EMFormatFunc)efh_text_enriched }, { "text/plain", (EMFormatFunc)efh_text_plain }, { "text/html", (EMFormatFunc)efh_text_html }, { "text/richtext", (EMFormatFunc)efh_text_enriched }, { "text/*", (EMFormatFunc)efh_text_plain }, { "message/external-body", (EMFormatFunc)efh_message_external }, { "message/delivery-status", (EMFormatFunc)efh_message_deliverystatus }, { "multipart/related", (EMFormatFunc)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. */ { "image/jpg", (EMFormatFunc)efh_image }, { "image/pjpeg", (EMFormatFunc)efh_image }, /* special internal types */ { "x-evolution/message/rfc822", (EMFormatFunc)efh_format_message } }; static void efh_builtin_init(EMFormatHTMLClass *efhc) { int i; for (i=0;iformat->html == NULL) return; camel_stream_printf((CamelStream *)m->estream, "\n\n" "\n\n\n" "\n", m->format->body_colour & 0xffffff, m->format->header_colour & 0xffffff); /* */ if (((EMFormat *)m->format)->mode == EM_FORMAT_SOURCE) { em_format_format_source((EMFormat *)m->format, (CamelStream *)m->estream, (CamelMimePart *)m->message); } else { const EMFormatHandler *handle; handle = em_format_find_handler((EMFormat *)m->format, "x-evolution/message/prefix"); if (handle) handle->handler((EMFormat *)m->format, (CamelStream *)m->estream, (CamelMimePart *)m->message, handle); handle = em_format_find_handler((EMFormat *)m->format, "x-evolution/message/rfc822"); if (handle) handle->handler((EMFormat *)m->format, (CamelStream *)m->estream, (CamelMimePart *)m->message, handle); handle = em_format_find_handler((EMFormat *)m->format, "x-evolution/message/post-header-closure"); if (handle) handle->handler((EMFormat *)m->format, (CamelStream *)m->estream, (CamelMimePart *)m->message, handle); } camel_stream_flush((CamelStream *)m->estream); puri_level = ((EMFormat *)m->format)->pending_uri_level; base = ((EMFormat *)m->format)->base; do { /* now dispatch any added tasks ... */ g_mutex_lock(m->format->priv->lock); while ((job = (struct _EMFormatHTMLJob *)e_dlist_remhead(&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 (!cancelled) cancelled = m->format->html == NULL; /* Now do an explicit check for user cancellation */ if (!cancelled) cancelled = camel_operation_cancel_check(NULL); /* call jobs even if cancelled, so they can clean up resources */ ((EMFormat *)m->format)->pending_uri_level = job->puri_level; if (job->base) ((EMFormat *)m->format)->base = job->base; job->callback(job, cancelled); ((EMFormat *)m->format)->base = base; /* clean up the job */ camel_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"); camel_stream_close((CamelStream *)m->estream); camel_object_unref(m->estream); m->estream = NULL; } /* e_dlist_empty is atomic and doesn't need locking */ } while (!e_dlist_empty(&m->format->priv->pending_jobs)); d(printf("out of jobs, done\n")); ((EMFormat *)m->format)->pending_uri_level = puri_level; } static void efh_format_done (struct _format_msg *m) { d(printf("formatting finished\n")); m->format->load_http_now = FALSE; m->format->priv->format_id = -1; 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); camel_object_unref(m->estream); } if (m->folder) camel_object_unref(m->folder); g_free(m->uid); if (m->message) camel_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; if (m->format->html == 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 (e_dlist_empty(&p->pending_jobs), FALSE); d(printf(" ready to go, firing off format thread\n")); /* call super-class to kick it off */ efh_parent->format_clone((EMFormat *)efh, m->folder, m->uid, m->message, m->format_source); 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(efh->html); 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 (p->last_part != m->message) { hstream = gtk_html_begin (efh->html); 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(efh->html, 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_format_clone(EMFormat *emf, CamelFolder *folder, const char *uid, CamelMimeMessage *msg, EMFormat *emfsource) { EMFormatHTML *efh = (EMFormatHTML *)emf; struct _format_msg *m; /* How to sub-class ? Might need to adjust api ... */ if (efh->html == 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; } m = mail_msg_new(&efh_format_info); m->format = (EMFormatHTML *)emf; g_object_ref(emf); m->format_source = emfsource; if (emfsource) g_object_ref(emfsource); m->folder = folder; if (folder) camel_object_ref(folder); m->uid = g_strdup(uid); m->message = msg; if (msg) camel_object_ref(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 char *txt) { char *html; html = camel_text_to_html (txt, CAMEL_MIME_FILTER_TOHTML_CONVERT_NL|CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0); camel_stream_printf(stream, "%s
", html); g_free(html); } static void efh_format_text_header (EMFormatHTML *emfh, CamelStream *stream, const char *label, const char *value, guint32 flags) { const char *fmt, *html; char *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"; } } } camel_stream_printf(stream, fmt, label, html); g_free(mhtml); } static char *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; char *name, *mailto, *addr; int i=0; gboolean wrap = FALSE; char *str = NULL; int 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) { char *real, *mailaddr; g_string_append_printf (out, "%s <", name); /* rfc2368 for mailto syntax and url encoding extras */ if ((real = camel_header_encode_phrase ((unsigned char *)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))) { if (!strcmp (field, _("To"))) { g_string_append (out, "..."); str = g_strdup_printf (" ", EVOLUTION_ICONSDIR); return str; } else if (!strcmp (field, _("Cc"))) { g_string_append (out, "..."); str = g_strdup_printf (" ", EVOLUTION_ICONSDIR); return str; } else if (!strcmp (field, _("Bcc"))) { g_string_append (out, "..."); str = g_strdup_printf (" ", EVOLUTION_ICONSDIR); return str; } } } if (limit > 0 && i>(limit)) { if (!strcmp (field, _("To"))) { str = g_strdup_printf (" ", EVOLUTION_ICONSDIR); } else if (!strcmp (field, _("Cc"))) { str = g_strdup_printf (" ", EVOLUTION_ICONSDIR); } else if (!strcmp (field, _("Bcc"))) { str = g_strdup_printf (" ", EVOLUTION_ICONSDIR); } } return str; } static void canon_header_name (char *name) { char *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, CamelStream *stream, CamelMedium *part, struct _camel_header_raw *header, guint32 flags, const char *charset) { EMFormatHTML *efh = (EMFormatHTML *)emf; char *name, *buf, *value = NULL; const char *label, *txt; gboolean addrspec = FALSE; char *str_field = NULL; int i; name = 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; char *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, (char *)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_unref(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")) { int msg_offset, local_tz; time_t msg_date; struct tm local; txt = header->value; while (*txt == ' ' || *txt == '\t') txt++; /* Show the local timezone equivalent in brackets if the sender is remote */ 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; if (msg_offset) { char buf[256], *html; msg_offset += (local.tm_hour * 60) + local.tm_min; if (msg_offset >= (24 * 60) || msg_offset < 0) { /* translators: strftime format for local time equivalent in Date header display, with day */ char *msg = g_strdup_printf("%s", _(" (%a, %R %Z)")); e_utf8_strftime(buf, sizeof(buf), msg, &local); g_free(msg); } else { /* translators: strftime format for local time equivalent in Date header display, without day */ char *msg = g_strdup_printf("%s", _(" (%R %Z)")); e_utf8_strftime(buf, sizeof(buf), msg, &local); g_free(msg); } html = camel_text_to_html(txt, efh->text_html_flags, 0); txt = value = g_strdup_printf("%s %s", html, buf); g_free(html); flags |= EM_FORMAT_HTML_HEADER_HTML; } flags |= 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, stream, label, txt, flags); g_free (value); g_free (str_field); } static void efh_format_headers(EMFormatHTML *efh, CamelStream *stream, CamelMedium *part) { EMFormat *emf = (EMFormat *) efh; EMFormatHeader *h; const char *charset; CamelContentType *ct; struct _camel_header_raw *header; gboolean have_icon = FALSE; const char *photo_name = NULL; CamelInternetAddress *cia = NULL; gboolean face_decoded = FALSE, contact_has_photo = FALSE; guchar *face_header_value = NULL; gsize face_header_len = 0; char *header_sender = NULL, *header_from = NULL, *name; gboolean mail_from_delegate = FALSE; const char *hdr_charset; 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) camel_stream_printf(stream, "\n" "", efh->header_colour & 0xffffff); hdr_charset = emf->charset ? emf->charset : emf->default_charset; 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_unref(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_unref(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; } else if (header_sender && header_from && mail_from_delegate) { camel_stream_printf(stream, ""); break; } header = header->next; } g_free (header_sender); g_free (header_from); if (gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL) camel_stream_printf (stream, "
"); if(gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL) camel_stream_printf (stream, "
"); else camel_stream_printf (stream, ""); /* To translators: This message suggests to the receipients that the sender of the mail is different from the one listed in From field. */ camel_stream_printf(stream, _("This message was sent by %s on behalf of %s"), header_sender, header_from); camel_stream_printf(stream, "
\n"); else camel_stream_printf (stream, ""); if (photo_name) { char *classid; CamelMimePart *photopart; cia = camel_internet_address_new(); camel_address_decode((CamelAddress *) cia, (const char *) photo_name); photopart = em_utils_contact_photo (cia, emf->photo_local); if (photopart) { contact_has_photo = TRUE; classid = g_strdup_printf("icon:///em-format-html/%s/photo/header", emf->part_id->str); camel_stream_printf(stream, "", classid); em_format_add_puri(emf, sizeof(EMFormatPURI), classid, photopart, efh_write_image); camel_object_unref(photopart); g_free(classid); } camel_object_unref(cia); } if (!contact_has_photo && face_decoded) { char *classid; CamelMimePart *part; part = camel_mime_part_new (); camel_mime_part_set_content ((CamelMimePart *) part, (const char *) face_header_value, face_header_len, "image/png"); classid = g_strdup_printf("icon:///em-format-html/face/photo/header"); camel_stream_printf(stream, "", classid); em_format_add_puri(emf, sizeof(EMFormatPURI), classid, part, efh_write_image); camel_object_unref(part); } if (have_icon && efh->show_icon) { GtkIconInfo *icon_info; char *classid; CamelMimePart *iconpart = NULL; classid = g_strdup_printf("icon:///em-format-html/%s/icon/header", emf->part_id->str); camel_stream_printf(stream, "", 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)); gtk_icon_info_free (icon_info); } if (iconpart) { em_format_add_puri(emf, sizeof(EMFormatPURI), classid, iconpart, efh_write_image); camel_object_unref(iconpart); } g_free(classid); } camel_stream_printf (stream, "
\n"); /* dump selected headers */ h = (EMFormatHeader *)emf->header_list.head; if (h->next == NULL || emf->mode == EM_FORMAT_ALLHEADERS) { header = ((CamelMimePart *)part)->headers; while (header) { efh_format_header(emf, stream, part, header, EM_FORMAT_HTML_HEADER_NOCOLUMNS, charset); header = header->next; } } else { int mailer_shown = FALSE; while (h->next) { int mailer; header = ((CamelMimePart *)part)->headers; mailer = !g_ascii_strcasecmp (h->name, "X-Evolution-Mailer"); while (header) { if (emf->show_photo && !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 = "X-Evolution-Mailer"; xmailer.value = use_header->value; mailer_shown = TRUE; efh_format_header (emf, stream, part, &xmailer, h->flags, charset); if (strstr(use_header->value, "Evolution")) have_icon = TRUE; } else if (!g_ascii_strcasecmp (header->name, "Face") && !face_decoded) { char *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; } else if (!g_ascii_strcasecmp (header->name, h->name)) { efh_format_header(emf, stream, part, header, h->flags, charset); } header = header->next; } h = h->next; } } if (!efh->simple_headers) { camel_stream_printf(stream, "
\n\n"); } } static void efh_format_message(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const EMFormatHandler *info) { const EMFormatHandler *handle; /* 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; if (emf->message != (CamelMimeMessage *)part) camel_stream_printf(stream, "
\n"); if (!efh->hide_headers) efh_format_headers(efh, stream, (CamelMedium *)part); handle = em_format_find_handler(emf, "x-evolution/message/post-header"); if (handle) handle->handler(emf, stream, part, handle); camel_stream_printf(stream, EM_FORMAT_HTML_VPAD); em_format_part(emf, stream, part); if (emf->message != (CamelMimeMessage *)part) camel_stream_printf(stream, "
\n"); camel_cipher_validity_free(emf->valid); emf->valid = save; emf->valid_parent = save_parent; } static void efh_format_source(EMFormat *emf, CamelStream *stream, CamelMimePart *part) { CamelStreamFilter *filtered_stream; CamelMimeFilter *html_filter; CamelDataWrapper *dw = (CamelDataWrapper *)part; filtered_stream = camel_stream_filter_new_with_stream ((CamelStream *) stream); html_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(filtered_stream, html_filter); camel_object_unref(html_filter); camel_stream_write_string((CamelStream *)stream, "
"); em_format_format_text(emf, (CamelStream *)filtered_stream, dw); camel_object_unref(filtered_stream); camel_stream_write_string(stream, "
"); } static void efh_format_attachment(EMFormat *emf, CamelStream *stream, CamelMimePart *part, const char *mime_type, const EMFormatHandler *handle) { char *text, *html; /* we display all inlined attachments only */ /* this could probably be cleaned up ... */ camel_stream_write_string(stream, "" "
" "" "
" "
\n"); /* 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); g_free(html); g_free(text); camel_stream_write_string(stream, "
"); if (handle && em_format_is_inline(emf, emf->part_id->str, part, handle)) handle->handler(emf, stream, part, handle); } static gboolean efh_busy(EMFormat *emf) { return (((EMFormatHTML *)emf)->priv->format_id != -1); }