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Diffstat (limited to 'camel/camel-mime-part.c')
| -rw-r--r-- | camel/camel-mime-part.c | 747 |
1 files changed, 0 insertions, 747 deletions
diff --git a/camel/camel-mime-part.c b/camel/camel-mime-part.c deleted file mode 100644 index e661e0caf5..0000000000 --- a/camel/camel-mime-part.c +++ /dev/null @@ -1,747 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*- */ -/* camelMimePart.c : Abstract class for a mime_part */ - -/* - * Authors: Bertrand Guiheneuf <bertrand@helixcode.com> - * Michael Zucchi <notzed@helixcode.com> - * - * Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include <config.h> -#include <string.h> -#include "camel-mime-part.h" -#include <stdio.h> -#include "gmime-content-field.h" -#include "string-utils.h" -#include "hash-table-utils.h" -#include "camel-mime-part-utils.h" -#include <ctype.h> -#include "camel-mime-parser.h" -#include "camel-stream-mem.h" -#include "camel-stream-filter.h" -#include "camel-mime-filter-basic.h" -#include "camel-mime-filter-crlf.h" -#include "camel-mime-filter-charset.h" -#include "camel-exception.h" - -#define d(x) - -typedef enum { - HEADER_UNKNOWN, - HEADER_DESCRIPTION, - HEADER_DISPOSITION, - HEADER_CONTENT_ID, - HEADER_ENCODING, - HEADER_CONTENT_MD5, - HEADER_CONTENT_LANGUAGES, - HEADER_CONTENT_TYPE -} CamelHeaderType; - - -static GHashTable *header_name_table; - - -static CamelMediumClass *parent_class=NULL; - -/* Returns the class for a CamelMimePart */ -#define CMP_CLASS(so) CAMEL_MIME_PART_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) -#define CMD_CLASS(so) CAMEL_MEDIUM_CLASS (CAMEL_OBJECT_GET_CLASS(so)) - -/* from CamelDataWrapper */ -static int write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream); -static int construct_from_stream (CamelDataWrapper *dw, CamelStream *s); - -/* from CamelMedia */ -static void add_header (CamelMedium *medium, const char *header_name, const void *header_value); -static void set_header (CamelMedium *medium, const char *header_name, const void *header_value); -static void remove_header (CamelMedium *medium, const char *header_name); -static const void *get_header (CamelMedium *medium, const char *header_name); - -static void set_content_object (CamelMedium *medium, CamelDataWrapper *content); - -/* from camel mime parser */ -static int construct_from_parser (CamelMimePart *, CamelMimeParser *); - -/* forward references */ -static void set_disposition (CamelMimePart *mime_part, const gchar *disposition); - - -/* loads in a hash table the set of header names we */ -/* recognize and associate them with a unique enum */ -/* identifier (see CamelHeaderType above) */ -static void -init_header_name_table() -{ - header_name_table = g_hash_table_new (g_strcase_hash, g_strcase_equal); - g_hash_table_insert (header_name_table, "Content-Description", (gpointer)HEADER_DESCRIPTION); - g_hash_table_insert (header_name_table, "Content-Disposition", (gpointer)HEADER_DISPOSITION); - g_hash_table_insert (header_name_table, "Content-id", (gpointer)HEADER_CONTENT_ID); - g_hash_table_insert (header_name_table, "Content-Transfer-Encoding", (gpointer)HEADER_ENCODING); - g_hash_table_insert (header_name_table, "Content-MD5", (gpointer)HEADER_CONTENT_MD5); - g_hash_table_insert (header_name_table, "Content-Type", (gpointer)HEADER_CONTENT_TYPE); - -} - -static void -camel_mime_part_class_init (CamelMimePartClass *camel_mime_part_class) -{ - CamelMediumClass *camel_medium_class = CAMEL_MEDIUM_CLASS (camel_mime_part_class); - CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS (camel_mime_part_class); - - parent_class = CAMEL_MEDIUM_CLASS (camel_type_get_global_classfuncs (camel_medium_get_type ())); - init_header_name_table(); - - camel_mime_part_class->construct_from_parser = construct_from_parser; - - /* virtual method overload */ - camel_medium_class->add_header = add_header; - camel_medium_class->set_header = set_header; - camel_medium_class->get_header = get_header; - camel_medium_class->remove_header = remove_header; - camel_medium_class->set_content_object = set_content_object; - - camel_data_wrapper_class->write_to_stream = write_to_stream; - camel_data_wrapper_class->construct_from_stream= construct_from_stream; -} - -static void -camel_mime_part_init (gpointer object, gpointer klass) -{ - CamelMimePart *camel_mime_part = CAMEL_MIME_PART (object); - - camel_mime_part->content_type = gmime_content_field_new ("text", "plain"); - camel_mime_part->description = NULL; - camel_mime_part->disposition = NULL; - camel_mime_part->content_id = NULL; - camel_mime_part->content_MD5 = NULL; - camel_mime_part->content_languages = NULL; - camel_mime_part->encoding = CAMEL_MIME_PART_ENCODING_DEFAULT; -} - - -static void -camel_mime_part_finalize (CamelObject *object) -{ - CamelMimePart *mime_part = CAMEL_MIME_PART (object); - - g_free (mime_part->description); - g_free (mime_part->content_id); - g_free (mime_part->content_MD5); - string_list_free (mime_part->content_languages); - header_disposition_unref(mime_part->disposition); - - if (mime_part->content_type) - gmime_content_field_unref (mime_part->content_type); - - header_raw_clear(&mime_part->headers); -} - - - -CamelType -camel_mime_part_get_type (void) -{ - static CamelType camel_mime_part_type = CAMEL_INVALID_TYPE; - - if (camel_mime_part_type == CAMEL_INVALID_TYPE) { - camel_mime_part_type = camel_type_register (CAMEL_MEDIUM_TYPE, "CamelMimePart", - sizeof (CamelMimePart), - sizeof (CamelMimePartClass), - (CamelObjectClassInitFunc) camel_mime_part_class_init, - NULL, - (CamelObjectInitFunc) camel_mime_part_init, - (CamelObjectFinalizeFunc) camel_mime_part_finalize); - } - - return camel_mime_part_type; -} - - -/* **** */ - -static gboolean -process_header(CamelMedium *medium, const char *header_name, const char *header_value) -{ - CamelMimePart *mime_part = CAMEL_MIME_PART (medium); - CamelHeaderType header_type; - char *text; - - /* Try to parse the header pair. If it corresponds to something */ - /* known, the job is done in the parsing routine. If not, */ - /* we simply add the header in a raw fashion */ - - header_type = (CamelHeaderType) g_hash_table_lookup (header_name_table, header_name); - switch (header_type) { - case HEADER_DESCRIPTION: /* raw header->utf8 conversion */ - text = header_decode_string(header_value); - g_free(mime_part->description); - mime_part->description = g_strstrip (text); - break; - case HEADER_DISPOSITION: - set_disposition(mime_part, header_value); - break; - case HEADER_CONTENT_ID: - text = header_msgid_decode(header_value); - g_free(mime_part->content_id); - mime_part->content_id = text; - break; - case HEADER_ENCODING: - text = header_token_decode(header_value); - mime_part->encoding = camel_mime_part_encoding_from_string (text); - g_free(text); - break; - case HEADER_CONTENT_MD5: - g_free(mime_part->content_MD5); - mime_part->content_MD5 = g_strdup(header_value); - break; - case HEADER_CONTENT_TYPE: - gmime_content_field_construct_from_string(mime_part->content_type, header_value); - break; - default: - return FALSE; - } - return TRUE; -} - -/* Note: It is my understanding that we need to encode the values here as they are - not being encoded at the header_raw_* level. */ - -/* - NO: This is absolutely wrong. The medium interface is entirely raw. - You cannot just go blingingly encoding headers because it depends entirely - on the header being encoded. process_header decodes and mirrors the - known headers, appropriately, and we just add this raw header to our - list. - - Please read the comments, they explained it already!!!!!!! -*/ - -static void -set_header (CamelMedium *medium, const char *header_name, const void *header_value) -{ - CamelMimePart *part = CAMEL_MIME_PART (medium); - - process_header(medium, header_name, header_value); - header_raw_replace(&part->headers, header_name, header_value, -1); -} - -static void -add_header (CamelMedium *medium, const char *header_name, const void *header_value) -{ - CamelMimePart *part = CAMEL_MIME_PART (medium); - - /* Try to parse the header pair. If it corresponds to something */ - /* known, the job is done in the parsing routine. If not, */ - /* we simply add the header in a raw fashion */ - - /* If it was one of the headers we handled, it must be unique, set it instead of add */ - if (process_header(medium, header_name, header_value)) - header_raw_replace(&part->headers, header_name, header_value, -1); - else - header_raw_append(&part->headers, header_name, header_value, -1); -} - -static void -remove_header (CamelMedium *medium, const char *header_name) -{ - CamelMimePart *part = (CamelMimePart *)medium; - - process_header(medium, header_name, NULL); - header_raw_remove(&part->headers, header_name); -} - -static const void * -get_header (CamelMedium *medium, const char *header_name) -{ - CamelMimePart *part = (CamelMimePart *)medium; - - return header_raw_find(&part->headers, header_name, NULL); -} - - -/* **** Content-Description */ -void -camel_mime_part_set_description (CamelMimePart *mime_part, const gchar *description) -{ - char *text = header_encode_string (description); - - camel_medium_set_header (CAMEL_MEDIUM (mime_part), - "Content-Description", text); - g_free (text); -} - -const gchar * -camel_mime_part_get_description (CamelMimePart *mime_part) -{ - return mime_part->description; -} - -/* **** Content-Disposition */ - -static void -set_disposition (CamelMimePart *mime_part, const gchar *disposition) -{ - header_disposition_unref(mime_part->disposition); - if (disposition) - mime_part->disposition = header_disposition_decode(disposition); - else - mime_part->disposition = NULL; -} - - -void -camel_mime_part_set_disposition (CamelMimePart *mime_part, const gchar *disposition) -{ - char *text; - - /* we poke in a new disposition (so we dont lose 'filename', etc) */ - if (mime_part->disposition == NULL) { - set_disposition(mime_part, disposition); - } - if (mime_part->disposition != NULL) { - g_free(mime_part->disposition->disposition); - mime_part->disposition->disposition = g_strdup(disposition); - } - text = header_disposition_format(mime_part->disposition); - - camel_medium_set_header (CAMEL_MEDIUM (mime_part), - "Content-Disposition", text); - - g_free(text); -} - -const gchar * -camel_mime_part_get_disposition (CamelMimePart *mime_part) -{ - if (mime_part->disposition) - return (mime_part->disposition)->disposition; - else - return NULL; -} - - -/* **** Content-Disposition: filename="xxx" */ - -void -camel_mime_part_set_filename (CamelMimePart *mime_part, const gchar *filename) -{ - char *str; - if (mime_part->disposition == NULL) - mime_part->disposition = header_disposition_decode("attachment"); - - header_set_param(&mime_part->disposition->params, "filename", filename); - str = header_disposition_format(mime_part->disposition); - - camel_medium_set_header (CAMEL_MEDIUM (mime_part), - "Content-Disposition", str); - g_free(str); -} - -const gchar * -camel_mime_part_get_filename (CamelMimePart *mime_part) -{ - if (mime_part->disposition) { - const gchar *name = header_param (mime_part->disposition->params, "filename"); - if (name) - return name; - } - - return gmime_content_field_get_parameter (mime_part->content_type, "name"); -} - - -/* **** Content-ID: */ - -void -camel_mime_part_set_content_id (CamelMimePart *mime_part, const char *contentid) -{ - camel_medium_set_header (CAMEL_MEDIUM (mime_part), "Content-ID", - contentid); -} - -const gchar * -camel_mime_part_get_content_id (CamelMimePart *mime_part) -{ - return mime_part->content_id; -} - -/* **** Content-MD5: */ - -void -camel_mime_part_set_content_MD5 (CamelMimePart *mime_part, const char *md5) -{ - camel_medium_set_header (CAMEL_MEDIUM (mime_part), "Content-MD5", md5); -} - -const gchar * -camel_mime_part_get_content_MD5 (CamelMimePart *mime_part) -{ - return mime_part->content_MD5; -} - -/* **** Content-Transfer-Encoding: */ - -void -camel_mime_part_set_encoding (CamelMimePart *mime_part, - CamelMimePartEncodingType encoding) -{ - const char *text; - - text = camel_mime_part_encoding_to_string (encoding); - camel_medium_set_header (CAMEL_MEDIUM (mime_part), - "Content-Transfer-Encoding", text); -} - -const CamelMimePartEncodingType -camel_mime_part_get_encoding (CamelMimePart *mime_part) -{ - return mime_part->encoding; -} - -/* FIXME: do something with this stuff ... */ - -void -camel_mime_part_set_content_languages (CamelMimePart *mime_part, GList *content_languages) -{ - if (mime_part->content_languages) string_list_free (mime_part->content_languages); - mime_part->content_languages = content_languages; - - /* FIXME: translate to a header and set it */ -} - -const GList * -camel_mime_part_get_content_languages (CamelMimePart *mime_part) -{ - return mime_part->content_languages; -} - - -/* **** */ - -/* **** Content-Type: */ - -void -camel_mime_part_set_content_type (CamelMimePart *mime_part, gchar *content_type) -{ - camel_medium_set_header (CAMEL_MEDIUM (mime_part), - "Content-Type", content_type); -} - -GMimeContentField * -camel_mime_part_get_content_type (CamelMimePart *mime_part) -{ - return mime_part->content_type; -} - -/*********/ - - - -static void -set_content_object (CamelMedium *medium, CamelDataWrapper *content) -{ - CamelMimePart *mime_part = CAMEL_MIME_PART (medium); - GMimeContentField *object_content_field; - - parent_class->set_content_object (medium, content); - - object_content_field = camel_data_wrapper_get_mime_type_field (content); - if (mime_part->content_type && - (mime_part->content_type != object_content_field)) { - char *txt; - - txt = header_content_type_format(object_content_field?object_content_field->content_type:NULL); - camel_medium_set_header (CAMEL_MEDIUM (mime_part), - "Content-Type", txt); - } -} - -/**********************************************************************/ - -static int -write_to_stream(CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - CamelMimePart *mp = CAMEL_MIME_PART(data_wrapper); - CamelMedium *medium = CAMEL_MEDIUM(data_wrapper); - CamelDataWrapper *content; - int total = 0; - int count; - - d(printf("mime_part::write_to_stream\n")); - - /* FIXME: something needs to be done about this ... */ - /* FIXME: need to count these bytes too */ -#ifndef NO_WARNINGS -#warning content-languages should be stored as a header -#endif - - if (mp->headers) { - struct _header_raw *h = mp->headers; - - while (h) { - if (h->value == NULL){ - g_warning("h->value is NULL here for %s", h->name); - count = 0; - } else { - count = camel_stream_printf(stream, "%s%s%s\n", h->name, isspace(h->value[0]) ? ":" : ": ", h->value); - } - if (count == -1) - return -1; - total += count; - h = h->next; - } - } - - count = camel_stream_write(stream, "\n", 1); - if (count == -1) - return -1; - total += count; - - content = camel_medium_get_content_object(medium); - if (content) { - /* I dont really like this here, but i dont know where else it might go ... */ -#define CAN_THIS_GO_ELSEWHERE -#ifdef CAN_THIS_GO_ELSEWHERE - CamelMimeFilter *filter = NULL; - CamelStreamFilter *filter_stream = NULL; - CamelMimeFilter *charenc = NULL; - const char *charset; - - switch(mp->encoding) { - case CAMEL_MIME_PART_ENCODING_BASE64: - filter = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_BASE64_ENC); - break; - case CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE: - filter = (CamelMimeFilter *)camel_mime_filter_basic_new_type(CAMEL_MIME_FILTER_BASIC_QP_ENC); - break; - default: - break; - } - - if (gmime_content_field_is_type(mp->content_type, "text", "*")) { - charset = gmime_content_field_get_parameter(mp->content_type, "charset"); - if (!(charset == NULL || !strcasecmp(charset, "us-ascii") || !strcasecmp(charset, "utf-8"))) { - charenc = (CamelMimeFilter *)camel_mime_filter_charset_new_convert("utf-8", charset); - } - } - - if (filter || charenc) { - filter_stream = camel_stream_filter_new_with_stream(stream); - - /* if we have a character encoder, add that always */ - if (charenc) { - camel_stream_filter_add(filter_stream, charenc); - camel_object_unref((CamelObject *)charenc); - } - - /* we only re-do crlf on encoded blocks */ - if (filter && gmime_content_field_is_type(mp->content_type, "text", "*")) { - CamelMimeFilter *crlf = camel_mime_filter_crlf_new(CAMEL_MIME_FILTER_CRLF_ENCODE, - CAMEL_MIME_FILTER_CRLF_MODE_CRLF_ONLY); - - camel_stream_filter_add(filter_stream, crlf); - camel_object_unref((CamelObject *)crlf); - - } - - if (filter) { - camel_stream_filter_add(filter_stream, filter); - camel_object_unref((CamelObject *)filter); - } - - stream = (CamelStream *)filter_stream; - } - -#endif - count = camel_data_wrapper_write_to_stream(content, stream); - if (filter_stream) { - camel_stream_flush((CamelStream *)filter_stream); - camel_object_unref((CamelObject *)filter_stream); - } - if (count == -1) - return -1; - total += count; - } else { - g_warning("No content for medium, nothing to write"); - } - return total; -} - -/* mime_part */ -static int -construct_from_parser(CamelMimePart *dw, CamelMimeParser *mp) -{ - struct _header_raw *headers; - char *buf; - int len; - - d(printf("mime_part::construct_from_parser()\n")); - - switch (camel_mime_parser_step(mp, &buf, &len)) { - case HSCAN_MESSAGE: - /* set the default type of a message always */ - gmime_content_field_construct_from_string (dw->content_type, "message/rfc822"); - case HSCAN_HEADER: - case HSCAN_MULTIPART: - /* we have the headers, build them into 'us' */ - headers = camel_mime_parser_headers_raw(mp); - while (headers) { - camel_medium_add_header((CamelMedium *)dw, headers->name, headers->value); - headers = headers->next; - } - camel_mime_part_construct_content_from_parser(dw, mp); - break; - default: - g_warning("Invalid state encountered???: %d", camel_mime_parser_state(mp)); - } - - d(printf("mime_part::construct_from_parser() leaving\n")); -#ifndef NO_WARNINGS -#warning "Need to work out how to detect a (fatally) bad parse in the parser" -#endif - return 0; -} - -/** - * camel_mime_part_construct_from_parser: - * @mime_part: - * @mp: - * - * - * - * Return value: - **/ -int -camel_mime_part_construct_from_parser(CamelMimePart *mime_part, CamelMimeParser *mp) -{ - return CMP_CLASS (mime_part)->construct_from_parser (mime_part, mp); -} - -static int -construct_from_stream(CamelDataWrapper *dw, CamelStream *s) -{ - CamelMimeParser *mp; - int ret; - - d(printf("mime_part::construct_from_stream()\n")); - - mp = camel_mime_parser_new(); - if (camel_mime_parser_init_with_stream(mp, s) == -1) { - g_warning("Cannot create parser for stream"); - ret = -1; - } else { - ret = camel_mime_part_construct_from_parser((CamelMimePart *)dw, mp); - } - camel_object_unref((CamelObject *)mp); - return ret; -} - - -const gchar * -camel_mime_part_encoding_to_string (CamelMimePartEncodingType encoding) -{ - switch (encoding) { - case CAMEL_MIME_PART_ENCODING_DEFAULT: - case CAMEL_MIME_PART_ENCODING_7BIT: - return "7bit"; - case CAMEL_MIME_PART_ENCODING_8BIT: - return "8bit"; - case CAMEL_MIME_PART_ENCODING_BASE64: - return "base64"; - case CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE: - return "quoted-printable"; - default: - break; - } - return ""; -} - - - -/* FIXME I am not sure this is the correct way to do this. */ -CamelMimePartEncodingType -camel_mime_part_encoding_from_string (const gchar *string) -{ - if (string == NULL) - return CAMEL_MIME_PART_ENCODING_DEFAULT; - else if (strcasecmp (string, "7bit") == 0) - return CAMEL_MIME_PART_ENCODING_7BIT; - else if (strcasecmp (string, "8bit") == 0) - return CAMEL_MIME_PART_ENCODING_8BIT; - else if (strcasecmp (string, "base64") == 0) - return CAMEL_MIME_PART_ENCODING_BASE64; - else if (strcasecmp (string, "quoted-printable") == 0) - return CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE; - else - /* FIXME? Spit a warning? */ - return CAMEL_MIME_PART_ENCODING_DEFAULT; -} - - -/******************************/ -/** Misc utility functions **/ - -/** - * camel_mime_part_new: - * - * Return value: a new CamelMimePart - **/ -CamelMimePart * -camel_mime_part_new (void) -{ - return (CamelMimePart *)camel_object_new (CAMEL_MIME_PART_TYPE); -} - -/** - * camel_mime_part_set_content: - * @camel_mime_part: Mime part - * @data: data to put into the part - * @length: length of @data - * @type: Content-Type of the data - * - * Utility function used to set the content of a mime part object to - * be the provided data. If @length is 0, this routine can be used as - * a way to remove old content (in which case @data and @type are - * ignored and may be %NULL). - **/ -void -camel_mime_part_set_content (CamelMimePart *camel_mime_part, - const char *data, int length, - const char *type) /* why on earth is the type last? */ -{ - CamelMedium *medium = CAMEL_MEDIUM (camel_mime_part); - - if (length) { - CamelDataWrapper *dw; - CamelStream *stream; - - dw = camel_data_wrapper_new (); - camel_data_wrapper_set_mime_type (dw, type); - stream = camel_stream_mem_new_with_buffer (data, length); - camel_data_wrapper_construct_from_stream (dw, stream); - camel_object_unref (CAMEL_OBJECT (stream)); - camel_medium_set_content_object (medium, dw); - camel_object_unref (CAMEL_OBJECT (dw)); - } else { - if (medium->content) - camel_object_unref (CAMEL_OBJECT (medium->content)); - medium->content = NULL; - } -} |