2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2004 Hiroyuki Yamamoto & The Sylpheed-Claws Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #include <sys/types.h>
38 #include "procheader.h"
40 #include "quoted-printable.h"
47 #include "prefs_common.h"
49 #include "prefs_gtk.h"
51 static GHashTable *procmime_get_mime_type_table (void);
53 MimeInfo *procmime_mimeinfo_new(void)
57 mimeinfo = g_new0(MimeInfo, 1);
58 mimeinfo->content = MIMECONTENT_EMPTY;
59 mimeinfo->data.filename = NULL;
61 mimeinfo->type = MIMETYPE_UNKNOWN;
62 mimeinfo->encoding_type = ENC_UNKNOWN;
63 mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
65 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
66 mimeinfo->dispositionparameters
67 = g_hash_table_new(g_str_hash, g_str_equal);
69 mimeinfo->node = g_node_new(mimeinfo);
74 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
82 static gchar *forced_charset = NULL;
84 void procmime_force_charset(const gchar *str)
86 g_free(forced_charset);
87 forced_charset = NULL;
89 forced_charset = g_strdup(str);
92 static EncodingType forced_encoding = 0;
94 void procmime_force_encoding(EncodingType encoding)
96 forced_encoding = encoding;
99 static gboolean free_func(GNode *node, gpointer data)
101 MimeInfo *mimeinfo = (MimeInfo *) node->data;
103 switch (mimeinfo->content) {
104 case MIMECONTENT_FILE:
106 unlink(mimeinfo->data.filename);
107 g_free(mimeinfo->data.filename);
110 case MIMECONTENT_MEM:
112 g_free(mimeinfo->data.mem);
117 g_free(mimeinfo->subtype);
118 g_free(mimeinfo->description);
119 g_free(mimeinfo->id);
121 g_hash_table_foreach_remove(mimeinfo->typeparameters,
122 procmime_mimeinfo_parameters_destroy, NULL);
123 g_hash_table_destroy(mimeinfo->typeparameters);
124 g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
125 procmime_mimeinfo_parameters_destroy, NULL);
126 g_hash_table_destroy(mimeinfo->dispositionparameters);
128 if (mimeinfo->privacy)
129 privacy_free_privacydata(mimeinfo->privacy);
136 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
140 g_return_if_fail(mimeinfo);
142 node = mimeinfo->node;
143 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
145 g_node_destroy(node);
149 MimeInfo *procmime_mimeinfo_insert(MimeInfo *parent, MimeInfo *mimeinfo)
151 MimeInfo *child = parent->children;
154 parent->children = mimeinfo;
156 while (child->next != NULL)
159 child->next = mimeinfo;
162 mimeinfo->parent = parent;
163 mimeinfo->level = parent->level + 1;
168 void procmime_mimeinfo_replace(MimeInfo *old, MimeInfo *new)
170 MimeInfo *parent = old->parent;
173 g_return_if_fail(parent != NULL);
174 g_return_if_fail(new->next == NULL);
176 for (child = parent->children; child && child != old;
180 g_warning("oops: parent can't find it's own child");
183 procmime_mimeinfo_free_all(old);
185 if (child == parent->children) {
186 new->next = parent->children->next;
187 parent->children = new;
189 new->next = child->next;
195 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
197 g_return_val_if_fail(mimeinfo != NULL, NULL);
198 g_return_val_if_fail(mimeinfo->node != NULL, NULL);
200 if (mimeinfo->node->parent == NULL)
202 return (MimeInfo *) mimeinfo->node->parent->data;
205 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
207 g_return_val_if_fail(mimeinfo != NULL, NULL);
208 g_return_val_if_fail(mimeinfo->node != NULL, NULL);
210 if (mimeinfo->node->children)
211 return (MimeInfo *) mimeinfo->node->children->data;
212 if (mimeinfo->node->next)
213 return (MimeInfo *) mimeinfo->node->next->data;
215 if (mimeinfo->node->parent == NULL)
218 while (mimeinfo->node->parent != NULL) {
219 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
220 if (mimeinfo->node->next)
221 return (MimeInfo *) mimeinfo->node->next->data;
227 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
232 filename = procmsg_get_message_file(msginfo);
235 if (msginfo->folder->stype != F_QUEUE &&
236 msginfo->folder->stype != F_DRAFT)
237 mimeinfo = procmime_scan_file(filename);
239 mimeinfo = procmime_scan_queue_file(filename);
247 H_CONTENT_TRANSFER_ENCODING = 0,
249 H_CONTENT_DISPOSITION = 2,
250 H_CONTENT_DESCRIPTION = 3,
254 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
258 g_return_val_if_fail(mimeinfo != NULL, NULL);
259 g_return_val_if_fail(name != NULL, NULL);
261 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
263 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
268 gboolean procmime_decode_content(MimeInfo *mimeinfo)
277 EncodingType encoding = forced_encoding
279 : mimeinfo->encoding_type;
281 g_return_val_if_fail(mimeinfo != NULL, FALSE);
283 if (encoding == ENC_UNKNOWN ||
284 encoding == ENC_BINARY)
287 infp = fopen(mimeinfo->data.filename, "rb");
292 fseek(infp, mimeinfo->offset, SEEK_SET);
294 mimetmpdir = get_mime_tmp_dir();
295 outfp = get_tmpfile_in_dir(mimetmpdir, &tmpfilename);
301 readend = mimeinfo->offset + mimeinfo->length;
303 if (encoding == ENC_QUOTED_PRINTABLE) {
304 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
306 len = qp_decode_line(buf);
307 fwrite(buf, len, 1, outfp);
309 } else if (encoding == ENC_BASE64) {
310 gchar outbuf[BUFFSIZE];
312 Base64Decoder *decoder;
314 decoder = base64_decoder_new();
315 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
316 len = base64_decoder_decode(decoder, buf, outbuf);
318 g_warning("Bad BASE64 content\n");
321 fwrite(outbuf, sizeof(gchar), len, outfp);
323 base64_decoder_free(decoder);
324 } else if (encoding == ENC_X_UUENCODE) {
325 gchar outbuf[BUFFSIZE];
327 gboolean flag = FALSE;
329 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
330 if (!flag && strncmp(buf,"begin ", 6)) continue;
333 len = fromuutobits(outbuf, buf);
336 g_warning("Bad UUENCODE content(%d)\n", len);
339 fwrite(outbuf, sizeof(gchar), len, outfp);
344 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
352 stat(tmpfilename, &statbuf);
353 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
354 unlink(mimeinfo->data.filename);
355 if (mimeinfo->data.filename != NULL)
356 g_free(mimeinfo->data.filename);
357 mimeinfo->data.filename = tmpfilename;
358 mimeinfo->tmp = TRUE;
359 mimeinfo->offset = 0;
360 mimeinfo->length = statbuf.st_size;
361 mimeinfo->encoding_type = ENC_BINARY;
366 #define B64_LINE_SIZE 57
367 #define B64_BUFFSIZE 77
369 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
377 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
378 mimeinfo->encoding_type != ENC_BINARY &&
379 mimeinfo->encoding_type != ENC_7BIT &&
380 mimeinfo->encoding_type != ENC_8BIT)
381 if(!procmime_decode_content(mimeinfo))
384 mimetmpdir = get_mime_tmp_dir();
385 outfp = get_tmpfile_in_dir(mimetmpdir, &tmpfilename);
391 if (mimeinfo->content == MIMECONTENT_FILE) {
392 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
393 g_warning("Can't open file %s\n", mimeinfo->data.filename);
396 } else if (mimeinfo->content == MIMECONTENT_MEM) {
397 infp = str_open_as_stream(mimeinfo->data.mem);
402 if (encoding == ENC_BASE64) {
403 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
405 while ((len = fread(inbuf, sizeof(gchar),
406 B64_LINE_SIZE, infp))
408 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
409 fputs(outbuf, outfp);
412 if (len > 0 && feof(infp)) {
413 base64_encode(outbuf, inbuf, len);
414 fputs(outbuf, outfp);
417 } else if (encoding == ENC_QUOTED_PRINTABLE) {
418 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
420 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
421 qp_encode_line(outbuf, inbuf);
422 fputs(outbuf, outfp);
427 while (fgets(buf, sizeof(buf), infp) != NULL) {
436 if (mimeinfo->content == MIMECONTENT_FILE) {
437 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
438 unlink(mimeinfo->data.filename);
439 g_free(mimeinfo->data.filename);
440 } else if (mimeinfo->content == MIMECONTENT_MEM) {
441 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
442 g_free(mimeinfo->data.mem);
445 stat(tmpfilename, &statbuf);
446 mimeinfo->content = MIMECONTENT_FILE;
447 mimeinfo->data.filename = tmpfilename;
448 mimeinfo->tmp = TRUE;
449 mimeinfo->offset = 0;
450 mimeinfo->length = statbuf.st_size;
451 mimeinfo->encoding_type = encoding;
456 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
460 gint restlength, readlength;
462 g_return_val_if_fail(outfile != NULL, -1);
463 g_return_val_if_fail(mimeinfo != NULL, -1);
465 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
468 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
469 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
472 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
473 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
477 if ((outfp = fopen(outfile, "wb")) == NULL) {
478 FILE_OP_ERROR(outfile, "fopen");
483 restlength = mimeinfo->length;
485 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
486 fwrite(buf, 1, readlength, outfp);
487 restlength -= readlength;
491 if (fclose(outfp) == EOF) {
492 FILE_OP_ERROR(outfile, "fclose");
500 struct ContentRenderer {
505 static GList * renderer_list = NULL;
507 static struct ContentRenderer *
508 content_renderer_new(char * content_type, char * renderer)
510 struct ContentRenderer * cr;
512 cr = g_new(struct ContentRenderer, 1);
516 cr->content_type = g_strdup(content_type);
517 cr->renderer = g_strdup(renderer);
522 static void content_renderer_free(struct ContentRenderer * cr)
524 g_free(cr->content_type);
525 g_free(cr->renderer);
529 void renderer_read_config(void)
535 g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
536 renderer_list = NULL;
538 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
539 f = fopen(rcpath, "rb");
545 while (fgets(buf, BUFFSIZE, f)) {
547 struct ContentRenderer * cr;
550 p = strchr(buf, ' ');
555 cr = content_renderer_new(buf, p + 1);
559 renderer_list = g_list_append(renderer_list, cr);
565 void renderer_write_config(void)
571 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
573 if ((pfile = prefs_write_open(rcpath)) == NULL) {
574 g_warning("failed to write configuration to file\n");
581 for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
582 struct ContentRenderer * renderer;
583 renderer = cur->data;
584 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
588 if (prefs_file_close(pfile) < 0) {
589 g_warning("failed to write configuration to file\n");
594 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
597 const gchar *src_codeset;
598 gboolean conv_fail = FALSE;
601 struct ContentRenderer * renderer;
603 gchar *tmpfile, *content_type;
605 g_return_val_if_fail(mimeinfo != NULL, NULL);
607 if (!procmime_decode_content(mimeinfo))
610 tmpfile = procmime_get_tmp_file_name(mimeinfo);
614 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
619 tmpfp = fopen(tmpfile, "rb");
625 if ((outfp = my_tmpfile()) == NULL) {
632 src_codeset = forced_charset
634 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
638 content_type = procmime_get_content_type_str(mimeinfo->type,
640 for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
641 struct ContentRenderer * cr;
644 if (g_strcasecmp(cr->content_type, content_type) == 0) {
649 g_free(content_type);
651 if (renderer != NULL) {
657 dup2(fileno(outfp), 1);
659 p = popen(renderer->renderer, "w");
664 fread(buf, sizeof(char), sizeof(buf),
666 fwrite(buf, sizeof(char), count, p);
671 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "html")) {
675 conv = conv_code_converter_new(src_codeset);
676 parser = html_parser_new(tmpfp, conv);
677 while ((str = html_parse(parser)) != NULL) {
680 html_parser_destroy(parser);
681 conv_code_converter_destroy(conv);
682 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "enriched")) {
686 conv = conv_code_converter_new(src_codeset);
687 parser = ertf_parser_new(tmpfp, conv);
688 while ((str = ertf_parse(parser)) != NULL) {
691 ertf_parser_destroy(parser);
692 conv_code_converter_destroy(conv);
693 } else if (mimeinfo->type == MIMETYPE_TEXT) {
694 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
695 str = conv_codeset_strdup(buf, src_codeset, NULL);
707 g_warning("procmime_get_text_content(): Code conversion failed.\n");
717 /* search the first text part of (multipart) MIME message,
718 decode, convert it and output to outfp. */
719 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
722 MimeInfo *mimeinfo, *partinfo;
724 g_return_val_if_fail(msginfo != NULL, NULL);
726 mimeinfo = procmime_scan_message(msginfo);
727 if (!mimeinfo) return NULL;
730 while (partinfo && partinfo->type != MIMETYPE_TEXT)
731 partinfo = procmime_mimeinfo_next(partinfo);
734 outfp = procmime_get_text_content(partinfo);
736 procmime_mimeinfo_free_all(mimeinfo);
741 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
742 const gchar *str, StrFindFunc find_func)
747 g_return_val_if_fail(mimeinfo != NULL, FALSE);
748 g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
749 g_return_val_if_fail(str != NULL, FALSE);
750 g_return_val_if_fail(find_func != NULL, FALSE);
752 outfp = procmime_get_text_content(mimeinfo);
757 while (fgets(buf, sizeof(buf), outfp) != NULL) {
759 if (find_func(buf, str)) {
770 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
771 StrFindFunc find_func)
776 gboolean found = FALSE;
778 g_return_val_if_fail(msginfo != NULL, FALSE);
779 g_return_val_if_fail(str != NULL, FALSE);
780 g_return_val_if_fail(find_func != NULL, FALSE);
782 filename = procmsg_get_message_file(msginfo);
783 if (!filename) return FALSE;
784 mimeinfo = procmime_scan_message(msginfo);
786 for (partinfo = mimeinfo; partinfo != NULL;
787 partinfo = procmime_mimeinfo_next(partinfo)) {
788 if (partinfo->type == MIMETYPE_TEXT) {
789 if (procmime_find_string_part
790 (partinfo, filename, str, find_func) == TRUE) {
797 procmime_mimeinfo_free_all(mimeinfo);
803 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
805 static guint32 id = 0;
810 g_return_val_if_fail(mimeinfo != NULL, NULL);
812 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
814 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_strcasecmp(mimeinfo->subtype, "html"))
815 base = "mimetmp.html";
817 const gchar *basetmp;
819 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
821 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
824 base = g_basename(basetmp);
825 if (*base == '\0') base = "mimetmp";
826 Xstrdup_a(base, base, return NULL);
827 subst_for_shellsafe_filename(base);
830 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
831 f_prefix, base, NULL);
836 static GList *mime_type_list = NULL;
838 gchar *procmime_get_mime_type(const gchar *filename)
840 static GHashTable *mime_type_table = NULL;
845 if (!mime_type_table) {
846 mime_type_table = procmime_get_mime_type_table();
847 if (!mime_type_table) return NULL;
850 filename = g_basename(filename);
851 p = strrchr(filename, '.');
854 Xstrdup_a(ext, p + 1, return NULL);
856 mime_type = g_hash_table_lookup(mime_type_table, ext);
860 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
868 static guint procmime_str_hash(gconstpointer gptr)
870 guint hash_result = 0;
873 for (str = gptr; str && *str; str++) {
874 if (isupper(*str)) hash_result += (*str + ' ');
875 else hash_result += *str;
881 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
883 const char *str1 = gptr1;
884 const char *str2 = gptr2;
886 return !g_strcasecmp(str1, str2);
889 static GHashTable *procmime_get_mime_type_table(void)
891 GHashTable *table = NULL;
896 if (!mime_type_list) {
897 mime_type_list = procmime_get_mime_type_list();
898 if (!mime_type_list) return NULL;
901 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
903 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
907 mime_type = (MimeType *)cur->data;
909 if (!mime_type->extension) continue;
911 exts = g_strsplit(mime_type->extension, " ", 16);
912 for (i = 0; exts[i] != NULL; i++) {
913 /* make the key case insensitive */
915 /* use previously dup'd key on overwriting */
916 if (g_hash_table_lookup(table, exts[i]))
919 key = g_strdup(exts[i]);
920 g_hash_table_insert(table, key, mime_type);
928 GList *procmime_get_mime_type_list(void)
938 return mime_type_list;
940 if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
941 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
942 FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
947 while (fgets(buf, sizeof(buf), fp) != NULL) {
948 p = strchr(buf, '#');
953 while (*p && !isspace(*p)) p++;
958 delim = strchr(buf, '/');
959 if (delim == NULL) continue;
962 mime_type = g_new(MimeType, 1);
963 mime_type->type = g_strdup(buf);
964 mime_type->sub_type = g_strdup(delim + 1);
966 while (*p && isspace(*p)) p++;
968 mime_type->extension = g_strdup(p);
970 mime_type->extension = NULL;
972 list = g_list_append(list, mime_type);
978 g_warning("Can't read mime.types\n");
983 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
987 else if (!g_strncasecmp(charset, "ISO-2022-", 9) ||
988 !g_strcasecmp(charset, "US-ASCII"))
990 else if (!g_strcasecmp(charset, "ISO-8859-5") ||
991 !g_strncasecmp(charset, "KOI8-", 5) ||
992 !g_strcasecmp(charset, "Windows-1251"))
994 else if (!g_strncasecmp(charset, "ISO-8859-", 9))
995 return ENC_QUOTED_PRINTABLE;
1000 EncodingType procmime_get_encoding_for_file(const gchar *file)
1006 if ((fp = fopen(file, "rb")) == NULL) {
1007 FILE_OP_ERROR(file, "fopen");
1011 while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
1015 for (p = buf, i = 0; i < len; p++, i++) {
1027 struct EncodingTable
1030 EncodingType enc_type;
1033 struct EncodingTable encoding_table[] = {
1036 {"binary", ENC_BINARY},
1037 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1038 {"base64", ENC_BASE64},
1039 {"x-uuencode", ENC_UNKNOWN},
1040 {NULL, ENC_UNKNOWN},
1043 const gchar *procmime_get_encoding_str(EncodingType encoding)
1045 struct EncodingTable *enc_table;
1047 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1048 if (enc_table->enc_type == encoding)
1049 return enc_table->str;
1054 /* --- NEW MIME STUFF --- */
1061 static struct TypeTable mime_type_table[] = {
1062 {"text", MIMETYPE_TEXT},
1063 {"image", MIMETYPE_IMAGE},
1064 {"audio", MIMETYPE_AUDIO},
1065 {"video", MIMETYPE_VIDEO},
1066 {"application", MIMETYPE_APPLICATION},
1067 {"message", MIMETYPE_MESSAGE},
1068 {"multipart", MIMETYPE_MULTIPART},
1072 const gchar *procmime_get_media_type_str(MimeMediaType type)
1074 struct TypeTable *type_table;
1076 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1077 if (type_table->type == type)
1078 return type_table->str;
1083 MimeMediaType procmime_get_media_type(const gchar *str)
1085 struct TypeTable *typetablearray;
1087 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1088 if (g_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1089 return typetablearray->type;
1091 return MIMETYPE_UNKNOWN;
1095 *\brief Safe wrapper for content type string.
1097 *\return const gchar * Pointer to content type string.
1099 gchar *procmime_get_content_type_str(MimeMediaType type,
1100 const char *subtype)
1102 const gchar *type_str = NULL;
1104 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1105 return g_strdup("unknown");
1106 return g_strdup_printf("%s/%s", type_str, subtype);
1109 void procmime_parse_mimepart(MimeInfo *parent,
1110 gchar *content_type,
1111 gchar *content_encoding,
1112 gchar *content_description,
1114 gchar *content_disposition,
1115 const gchar *filename,
1119 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
1121 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1122 {"Content-Transfer-Encoding:",
1124 {"Content-Description:",
1128 {"Content-Disposition:",
1132 {NULL, NULL, FALSE}};
1133 guint content_start, i;
1135 gint mime_major, mime_minor;
1137 procmime_decode_content(mimeinfo);
1139 fp = fopen(mimeinfo->data.filename, "rb");
1141 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1144 fseek(fp, mimeinfo->offset, SEEK_SET);
1145 procheader_get_header_fields(fp, hentry);
1146 if (hentry[0].body != NULL)
1147 conv_unmime_header_overwrite(hentry[0].body);
1148 if (hentry[2].body != NULL)
1149 conv_unmime_header_overwrite(hentry[2].body);
1150 if (hentry[4].body != NULL)
1151 conv_unmime_header_overwrite(hentry[4].body);
1152 content_start = ftell(fp);
1155 if ((hentry[5].body != NULL) &&
1156 (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1157 (mime_major == 1) && (mime_minor == 0)) {
1158 procmime_parse_mimepart(mimeinfo,
1159 hentry[0].body, hentry[1].body,
1160 hentry[2].body, hentry[3].body,
1162 mimeinfo->data.filename, content_start,
1163 mimeinfo->length - (content_start - mimeinfo->offset));
1167 subinfo = procmime_mimeinfo_new();
1168 subinfo->encoding_type = ENC_UNKNOWN;
1169 subinfo->type = MIMETYPE_TEXT;
1170 subinfo->subtype = g_strdup("plain");
1171 subinfo->data.filename = g_strdup(mimeinfo->data.filename);
1172 subinfo->offset = content_start;
1173 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1175 g_node_append(mimeinfo->node, subinfo->node);
1177 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1178 g_free(hentry[i].body);
1179 hentry[i].body = NULL;
1183 void procmime_parse_multipart(MimeInfo *mimeinfo)
1185 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1186 {"Content-Transfer-Encoding:",
1188 {"Content-Description:",
1192 {"Content-Disposition:",
1194 {NULL, NULL, FALSE}};
1197 gint boundary_len = 0, lastoffset = -1, i;
1198 gchar buf[BUFFSIZE];
1201 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1204 boundary_len = strlen(boundary);
1206 procmime_decode_content(mimeinfo);
1208 fp = fopen(mimeinfo->data.filename, "rb");
1210 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1213 fseek(fp, mimeinfo->offset, SEEK_SET);
1214 while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1215 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1218 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1219 if (lastoffset != -1) {
1220 procmime_parse_mimepart(mimeinfo,
1221 hentry[0].body, hentry[1].body,
1222 hentry[2].body, hentry[3].body,
1224 mimeinfo->data.filename, lastoffset,
1225 (ftell(fp) - strlen(buf)) - lastoffset - 1);
1228 if (buf[2 + boundary_len] == '-' &&
1229 buf[2 + boundary_len + 1] == '-')
1232 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1233 g_free(hentry[i].body);
1234 hentry[i].body = NULL;
1236 procheader_get_header_fields(fp, hentry);
1237 if (hentry[0].body != NULL)
1238 conv_unmime_header_overwrite(hentry[0].body);
1239 if (hentry[2].body != NULL)
1240 conv_unmime_header_overwrite(hentry[2].body);
1241 if (hentry[4].body != NULL)
1242 conv_unmime_header_overwrite(hentry[4].body);
1243 lastoffset = ftell(fp);
1246 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1247 g_free(hentry[i].body);
1248 hentry[i].body = NULL;
1253 static void parse_parameters(const gchar *parameters, GHashTable *table)
1255 gchar *params, *param, *next;
1256 GSList *convlist = NULL, *concatlist = NULL, *cur;
1258 params = g_strdup(parameters);
1261 for (; next != NULL; param = next) {
1262 gchar *attribute, *value, *tmp;
1264 gboolean convert = FALSE;
1266 next = strchr_with_skip_quote(param, '"', ';');
1275 value = strchr(attribute, '=');
1282 g_strdown(attribute);
1284 len = strlen(attribute);
1285 if (attribute[len - 1] == '*') {
1286 gchar *srcpos, *dstpos, *endpos;
1289 attribute[len - 1] = '\0';
1293 endpos = value + strlen(value);
1294 while (srcpos < endpos) {
1300 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1311 if (value[0] == '"')
1312 extract_quote(value, '"');
1313 else if ((tmp = strchr(value, ' ')) != NULL)
1317 if (strrchr(attribute, '*') != NULL) {
1320 tmpattr = g_strdup(attribute);
1321 tmp = strrchr(tmpattr, '*');
1324 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1325 (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
1326 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1328 if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
1329 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1332 } else if (convert) {
1333 if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
1334 convlist = g_slist_prepend(convlist, g_strdup(attribute));
1337 if (g_hash_table_lookup(table, attribute) == NULL)
1338 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
1341 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1342 gchar *attribute, *attrwnum, *partvalue;
1346 attribute = (gchar *) cur->data;
1347 value = g_string_sized_new(64);
1349 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1350 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1351 g_string_append(value, partvalue);
1355 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1359 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1360 g_string_free(value, TRUE);
1362 slist_free_strings(concatlist);
1363 g_slist_free(concatlist);
1365 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1366 gchar *attribute, *key, *value;
1367 gchar *charset, *lang, *oldvalue, *newvalue;
1369 attribute = (gchar *) cur->data;
1370 if (!g_hash_table_lookup_extended(table, attribute, (gpointer *) &key, (gpointer *) &value))
1374 lang = strchr(charset, '\'');
1379 oldvalue = strchr(lang, '\'');
1380 if (oldvalue == NULL)
1385 newvalue = conv_codeset_strdup(oldvalue, charset, conv_get_current_charset_str());
1387 g_hash_table_remove(table, attribute);
1391 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1393 slist_free_strings(convlist);
1394 g_slist_free(convlist);
1399 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1401 g_return_if_fail(content_type != NULL);
1402 g_return_if_fail(mimeinfo != NULL);
1404 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1405 * if it's not available we use the default Content-Type */
1406 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1407 mimeinfo->type = MIMETYPE_TEXT;
1408 mimeinfo->subtype = g_strdup("plain");
1409 if (g_hash_table_lookup(mimeinfo->typeparameters,
1411 g_hash_table_insert(mimeinfo->typeparameters,
1412 g_strdup("charset"),
1413 g_strdup("us-ascii"));
1415 gchar *type, *subtype, *params;
1417 type = g_strdup(content_type);
1418 subtype = strchr(type, '/') + 1;
1419 *(subtype - 1) = '\0';
1420 if ((params = strchr(subtype, ';')) != NULL) {
1425 mimeinfo->type = procmime_get_media_type(type);
1426 mimeinfo->subtype = g_strdup(subtype);
1428 /* Get mimeinfo->typeparameters */
1430 parse_parameters(params, mimeinfo->typeparameters);
1436 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1438 gchar *tmp, *params;
1440 g_return_if_fail(content_disposition != NULL);
1441 g_return_if_fail(mimeinfo != NULL);
1443 tmp = g_strdup(content_disposition);
1444 if ((params = strchr(tmp, ';')) != NULL) {
1450 if (!g_strcasecmp(tmp, "inline"))
1451 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1452 else if (!g_strcasecmp(tmp, "attachment"))
1453 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1455 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1458 parse_parameters(params, mimeinfo->dispositionparameters);
1464 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1466 struct EncodingTable *enc_table;
1468 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1469 if (g_strcasecmp(enc_table->str, content_encoding) == 0) {
1470 mimeinfo->encoding_type = enc_table->enc_type;
1474 mimeinfo->encoding_type = ENC_UNKNOWN;
1478 void procmime_parse_mimepart(MimeInfo *parent,
1479 gchar *content_type,
1480 gchar *content_encoding,
1481 gchar *content_description,
1483 gchar *content_disposition,
1484 const gchar *filename,
1490 /* Create MimeInfo */
1491 mimeinfo = procmime_mimeinfo_new();
1492 mimeinfo->content = MIMECONTENT_FILE;
1494 g_node_append(parent->node, mimeinfo->node);
1495 mimeinfo->data.filename = g_strdup(filename);
1496 mimeinfo->offset = offset;
1497 mimeinfo->length = length;
1499 if (content_type != NULL) {
1500 procmime_parse_content_type(content_type, mimeinfo);
1502 mimeinfo->type = MIMETYPE_TEXT;
1503 mimeinfo->subtype = g_strdup("plain");
1504 if (g_hash_table_lookup(mimeinfo->typeparameters,
1506 g_hash_table_insert(mimeinfo->typeparameters, g_strdup("charset"), g_strdup("us-ascii"));
1509 if (content_encoding != NULL) {
1510 procmime_parse_content_encoding(content_encoding, mimeinfo);
1512 mimeinfo->encoding_type = ENC_UNKNOWN;
1515 if (content_description != NULL)
1516 mimeinfo->description = g_strdup(content_description);
1518 mimeinfo->description = NULL;
1520 if (content_id != NULL)
1521 mimeinfo->id = g_strdup(content_id);
1523 mimeinfo->id = NULL;
1525 if (content_disposition != NULL)
1526 procmime_parse_content_disposition(content_disposition, mimeinfo);
1528 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1530 /* Call parser for mime type */
1531 switch (mimeinfo->type) {
1532 case MIMETYPE_MESSAGE:
1533 if (g_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1534 procmime_parse_message_rfc822(mimeinfo);
1538 case MIMETYPE_MULTIPART:
1539 procmime_parse_multipart(mimeinfo);
1547 static gchar *typenames[] = {
1558 static gboolean output_func(GNode *node, gpointer data)
1561 MimeInfo *mimeinfo = (MimeInfo *) node->data;
1563 depth = g_node_depth(node);
1564 for (i = 0; i < depth; i++)
1566 printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1571 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1573 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1576 MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1581 stat(filename, &buf);
1583 mimeinfo = procmime_mimeinfo_new();
1584 mimeinfo->content = MIMECONTENT_FILE;
1585 mimeinfo->encoding_type = ENC_UNKNOWN;
1586 mimeinfo->type = MIMETYPE_MESSAGE;
1587 mimeinfo->subtype = g_strdup("rfc822");
1588 mimeinfo->data.filename = g_strdup(filename);
1589 mimeinfo->offset = offset;
1590 mimeinfo->length = buf.st_size - offset;
1592 procmime_parse_message_rfc822(mimeinfo);
1593 if (debug_get_mode())
1594 output_mime_structure(mimeinfo, 0);
1599 MimeInfo *procmime_scan_file(const gchar *filename)
1603 g_return_val_if_fail(filename != NULL, NULL);
1605 mimeinfo = procmime_scan_file_with_offset(filename, 0);
1610 MimeInfo *procmime_scan_queue_file(const gchar *filename)
1614 gchar buf[BUFFSIZE];
1617 g_return_val_if_fail(filename != NULL, NULL);
1620 if ((fp = fopen(filename, "rb")) == NULL)
1622 /* Skip queue header */
1623 while (fgets(buf, sizeof(buf), fp) != NULL)
1624 if (buf[0] == '\r' || buf[0] == '\n') break;
1628 mimeinfo = procmime_scan_file_with_offset(filename, offset);
1635 ENC_AS_QUOTED_STRING,
1639 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
1642 gchar *val = value, *valpos;
1643 FILE *fp = user_data;
1644 EncodeAs encas = ENC_AS_TOKEN;
1646 for (valpos = val; *valpos != 0; valpos++) {
1647 if (!IS_ASCII(*valpos)) {
1648 encas = ENC_AS_EXTENDED;
1653 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
1654 encas = ENC_AS_QUOTED_STRING;
1658 /* tspecials + SPACE */
1676 encas = ENC_AS_QUOTED_STRING;
1683 fprintf(fp, "; %s=", param);
1684 fprintf(fp, "%s", val);
1687 case ENC_AS_QUOTED_STRING:
1688 fprintf(fp, "; %s=", param);
1689 fprintf(fp, "\"%s\"", val);
1692 case ENC_AS_EXTENDED:
1693 fprintf(fp, "; %s*=", param);
1694 fprintf(fp, "%s''", conv_get_current_charset_str());
1695 for (valpos = val; *valpos != '\0'; valpos++) {
1696 if (IS_ASCII(*valpos) && isalnum(*valpos))
1697 fprintf(fp, "%c", *valpos);
1699 gchar hexstr[3] = "XX";
1700 get_hex_str(hexstr, *valpos);
1701 fprintf(fp, "%%%s", hexstr);
1708 void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
1710 struct TypeTable *type_table;
1712 debug_print("procmime_write_mime_header\n");
1714 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
1715 if (mimeinfo->type == type_table->type) {
1716 fprintf(fp, "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
1719 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, fp);
1722 if (mimeinfo->encoding_type != ENC_UNKNOWN)
1723 fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type));
1725 if (mimeinfo->description != NULL)
1726 fprintf(fp, "Content-Description: %s\n", mimeinfo->description);
1728 if (mimeinfo->id != NULL)
1729 fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
1731 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
1732 fprintf(fp, "Content-Disposition: ");
1733 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
1734 fprintf(fp, "inline");
1735 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
1736 fprintf(fp, "attachment");
1738 fprintf(fp, "unknown");
1740 /* FIXME: linebreaks after too many parameters */
1741 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, fp);
1748 gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
1753 gchar buf[BUFFSIZE];
1754 gboolean skip = FALSE;;
1756 debug_print("procmime_write_message_rfc822\n");
1759 switch (mimeinfo->content) {
1760 case MIMECONTENT_FILE:
1761 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1762 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1765 fseek(infp, mimeinfo->offset, SEEK_SET);
1766 while (fgets(buf, sizeof(buf), infp) == buf) {
1767 if (buf[0] == '\n' && buf[1] == '\0')
1769 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
1771 if (g_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
1772 g_strncasecmp(buf, "Content-Type:", 13) == 0 ||
1773 g_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
1774 g_strncasecmp(buf, "Content-Description:", 20) == 0 ||
1775 g_strncasecmp(buf, "Content-ID:", 11) == 0 ||
1776 g_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
1780 fwrite(buf, sizeof(gchar), strlen(buf), fp);
1786 case MIMECONTENT_MEM:
1787 fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1794 childnode = mimeinfo->node->children;
1795 if (childnode == NULL)
1798 child = (MimeInfo *) childnode->data;
1799 fprintf(fp, "Mime-Version: 1.0\n");
1800 procmime_write_mime_header(child, fp);
1801 return procmime_write_mimeinfo(child, fp);
1804 gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
1808 gchar *boundary, *str, *str2;
1809 gchar buf[BUFFSIZE];
1810 gboolean firstboundary;
1812 debug_print("procmime_write_multipart\n");
1814 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1816 switch (mimeinfo->content) {
1817 case MIMECONTENT_FILE:
1818 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1819 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1822 fseek(infp, mimeinfo->offset, SEEK_SET);
1823 while (fgets(buf, sizeof(buf), infp) == buf) {
1824 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
1826 fwrite(buf, sizeof(gchar), strlen(buf), fp);
1831 case MIMECONTENT_MEM:
1832 str = g_strdup(mimeinfo->data.mem);
1833 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
1834 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
1836 fwrite(str, strlen(str), sizeof(gchar), fp);
1844 childnode = mimeinfo->node->children;
1845 firstboundary = TRUE;
1846 while (childnode != NULL) {
1847 MimeInfo *child = childnode->data;
1850 firstboundary = FALSE;
1853 fprintf(fp, "--%s\n", boundary);
1855 procmime_write_mime_header(child, fp);
1856 if (procmime_write_mimeinfo(child, fp) < 0)
1859 childnode = g_node_next_sibling(childnode);
1861 fprintf(fp, "\n--%s--\n", boundary);
1866 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
1870 debug_print("procmime_write_mimeinfo\n");
1872 if (G_NODE_IS_LEAF(mimeinfo->node)) {
1873 switch (mimeinfo->content) {
1874 case MIMECONTENT_FILE:
1875 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1876 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1879 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
1883 case MIMECONTENT_MEM:
1884 fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1891 /* Call writer for mime type */
1892 switch (mimeinfo->type) {
1893 case MIMETYPE_MESSAGE:
1894 if (g_strcasecmp(mimeinfo->subtype, "rfc822") == 0)
1895 return procmime_write_message_rfc822(mimeinfo, fp);
1898 case MIMETYPE_MULTIPART:
1899 return procmime_write_multipart(mimeinfo, fp);