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->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->filename);
107 g_free(mimeinfo->filename);
110 case MIMECONTENT_MEM:
112 g_free(mimeinfo->data);
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->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->filename != NULL))
354 unlink(mimeinfo->filename);
355 if (mimeinfo->filename != NULL)
356 g_free(mimeinfo->filename);
357 mimeinfo->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 ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
392 g_warning("Can't open file %s\n", mimeinfo->filename);
396 if (encoding == ENC_BASE64) {
397 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
399 while ((len = fread(inbuf, sizeof(gchar),
400 B64_LINE_SIZE, infp))
402 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
403 fputs(outbuf, outfp);
406 if (len > 0 && feof(infp)) {
407 base64_encode(outbuf, inbuf, len);
408 fputs(outbuf, outfp);
411 } else if (encoding == ENC_QUOTED_PRINTABLE) {
412 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
414 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
415 qp_encode_line(outbuf, inbuf);
416 fputs(outbuf, outfp);
421 while (fgets(buf, sizeof(buf), infp) != NULL) {
430 stat(tmpfilename, &statbuf);
431 if (mimeinfo->tmp && (mimeinfo->filename != NULL))
432 unlink(mimeinfo->filename);
433 g_free(mimeinfo->filename);
434 mimeinfo->filename = tmpfilename;
435 mimeinfo->tmp = TRUE;
436 mimeinfo->offset = 0;
437 mimeinfo->length = statbuf.st_size;
438 mimeinfo->encoding_type = encoding;
443 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
447 gint restlength, readlength;
449 g_return_val_if_fail(outfile != NULL, -1);
450 g_return_val_if_fail(mimeinfo != NULL, -1);
452 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
455 if ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
456 FILE_OP_ERROR(mimeinfo->filename, "fopen");
459 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
460 FILE_OP_ERROR(mimeinfo->filename, "fseek");
464 if ((outfp = fopen(outfile, "wb")) == NULL) {
465 FILE_OP_ERROR(outfile, "fopen");
470 restlength = mimeinfo->length;
472 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
473 fwrite(buf, 1, readlength, outfp);
474 restlength -= readlength;
478 if (fclose(outfp) == EOF) {
479 FILE_OP_ERROR(outfile, "fclose");
487 struct ContentRenderer {
492 static GList * renderer_list = NULL;
494 static struct ContentRenderer *
495 content_renderer_new(char * content_type, char * renderer)
497 struct ContentRenderer * cr;
499 cr = g_new(struct ContentRenderer, 1);
503 cr->content_type = g_strdup(content_type);
504 cr->renderer = g_strdup(renderer);
509 static void content_renderer_free(struct ContentRenderer * cr)
511 g_free(cr->content_type);
512 g_free(cr->renderer);
516 void renderer_read_config(void)
522 g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
523 renderer_list = NULL;
525 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
526 f = fopen(rcpath, "rb");
532 while (fgets(buf, BUFFSIZE, f)) {
534 struct ContentRenderer * cr;
537 p = strchr(buf, ' ');
542 cr = content_renderer_new(buf, p + 1);
546 renderer_list = g_list_append(renderer_list, cr);
552 void renderer_write_config(void)
558 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
560 if ((pfile = prefs_write_open(rcpath)) == NULL) {
561 g_warning("failed to write configuration to file\n");
568 for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
569 struct ContentRenderer * renderer;
570 renderer = cur->data;
571 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
575 if (prefs_file_close(pfile) < 0) {
576 g_warning("failed to write configuration to file\n");
581 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
584 const gchar *src_codeset;
585 gboolean conv_fail = FALSE;
588 struct ContentRenderer * renderer;
590 gchar *tmpfile, *content_type;
592 g_return_val_if_fail(mimeinfo != NULL, NULL);
594 if (!procmime_decode_content(mimeinfo))
597 tmpfile = procmime_get_tmp_file_name(mimeinfo);
601 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
606 tmpfp = fopen(tmpfile, "rb");
612 if ((outfp = my_tmpfile()) == NULL) {
619 src_codeset = forced_charset
621 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
625 content_type = procmime_get_content_type_str(mimeinfo->type,
627 for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
628 struct ContentRenderer * cr;
631 if (g_strcasecmp(cr->content_type, content_type) == 0) {
636 g_free(content_type);
638 if (renderer != NULL) {
644 dup2(fileno(outfp), 1);
646 p = popen(renderer->renderer, "w");
651 fread(buf, sizeof(char), sizeof(buf),
653 fwrite(buf, sizeof(char), count, p);
658 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "html")) {
662 conv = conv_code_converter_new(src_codeset);
663 parser = html_parser_new(tmpfp, conv);
664 while ((str = html_parse(parser)) != NULL) {
667 html_parser_destroy(parser);
668 conv_code_converter_destroy(conv);
669 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "enriched")) {
673 conv = conv_code_converter_new(src_codeset);
674 parser = ertf_parser_new(tmpfp, conv);
675 while ((str = ertf_parse(parser)) != NULL) {
678 ertf_parser_destroy(parser);
679 conv_code_converter_destroy(conv);
680 } else if (mimeinfo->type == MIMETYPE_TEXT) {
681 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
682 str = conv_codeset_strdup(buf, src_codeset, NULL);
694 g_warning("procmime_get_text_content(): Code conversion failed.\n");
704 /* search the first text part of (multipart) MIME message,
705 decode, convert it and output to outfp. */
706 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
709 MimeInfo *mimeinfo, *partinfo;
711 g_return_val_if_fail(msginfo != NULL, NULL);
713 mimeinfo = procmime_scan_message(msginfo);
714 if (!mimeinfo) return NULL;
717 while (partinfo && partinfo->type != MIMETYPE_TEXT)
718 partinfo = procmime_mimeinfo_next(partinfo);
721 outfp = procmime_get_text_content(partinfo);
723 procmime_mimeinfo_free_all(mimeinfo);
728 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
729 const gchar *str, gboolean case_sens)
733 gchar *(* StrFindFunc) (const gchar *haystack, const gchar *needle);
735 g_return_val_if_fail(mimeinfo != NULL, FALSE);
736 g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
737 g_return_val_if_fail(str != NULL, FALSE);
739 outfp = procmime_get_text_content(mimeinfo);
745 StrFindFunc = strstr;
747 StrFindFunc = strcasestr;
749 while (fgets(buf, sizeof(buf), outfp) != NULL) {
750 if (StrFindFunc(buf, str) != NULL) {
761 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
767 gboolean found = FALSE;
769 g_return_val_if_fail(msginfo != NULL, FALSE);
770 g_return_val_if_fail(str != NULL, FALSE);
772 filename = procmsg_get_message_file(msginfo);
773 if (!filename) return FALSE;
774 mimeinfo = procmime_scan_message(msginfo);
776 for (partinfo = mimeinfo; partinfo != NULL;
777 partinfo = procmime_mimeinfo_next(partinfo)) {
778 if (partinfo->type == MIMETYPE_TEXT) {
779 if (procmime_find_string_part
780 (partinfo, filename, str, case_sens) == TRUE) {
787 procmime_mimeinfo_free_all(mimeinfo);
793 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
795 static guint32 id = 0;
800 g_return_val_if_fail(mimeinfo != NULL, NULL);
802 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
804 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_strcasecmp(mimeinfo->subtype, "html"))
805 base = "mimetmp.html";
807 const gchar *basetmp;
809 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
811 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
814 base = g_basename(basetmp);
815 if (*base == '\0') base = "mimetmp";
816 Xstrdup_a(base, base, return NULL);
817 subst_for_shellsafe_filename(base);
820 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
821 f_prefix, base, NULL);
826 static GList *mime_type_list = NULL;
828 gchar *procmime_get_mime_type(const gchar *filename)
830 static GHashTable *mime_type_table = NULL;
835 if (!mime_type_table) {
836 mime_type_table = procmime_get_mime_type_table();
837 if (!mime_type_table) return NULL;
840 filename = g_basename(filename);
841 p = strrchr(filename, '.');
844 Xstrdup_a(ext, p + 1, return NULL);
846 mime_type = g_hash_table_lookup(mime_type_table, ext);
850 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
858 static guint procmime_str_hash(gconstpointer gptr)
860 guint hash_result = 0;
863 for (str = gptr; str && *str; str++) {
864 if (isupper(*str)) hash_result += (*str + ' ');
865 else hash_result += *str;
871 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
873 const char *str1 = gptr1;
874 const char *str2 = gptr2;
876 return !strcasecmp(str1, str2);
879 static GHashTable *procmime_get_mime_type_table(void)
881 GHashTable *table = NULL;
886 if (!mime_type_list) {
887 mime_type_list = procmime_get_mime_type_list();
888 if (!mime_type_list) return NULL;
891 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
893 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
897 mime_type = (MimeType *)cur->data;
899 if (!mime_type->extension) continue;
901 exts = g_strsplit(mime_type->extension, " ", 16);
902 for (i = 0; exts[i] != NULL; i++) {
903 /* make the key case insensitive */
905 /* use previously dup'd key on overwriting */
906 if (g_hash_table_lookup(table, exts[i]))
909 key = g_strdup(exts[i]);
910 g_hash_table_insert(table, key, mime_type);
918 GList *procmime_get_mime_type_list(void)
928 return mime_type_list;
930 if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
931 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
932 FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
937 while (fgets(buf, sizeof(buf), fp) != NULL) {
938 p = strchr(buf, '#');
943 while (*p && !isspace(*p)) p++;
948 delim = strchr(buf, '/');
949 if (delim == NULL) continue;
952 mime_type = g_new(MimeType, 1);
953 mime_type->type = g_strdup(buf);
954 mime_type->sub_type = g_strdup(delim + 1);
956 while (*p && isspace(*p)) p++;
958 mime_type->extension = g_strdup(p);
960 mime_type->extension = NULL;
962 list = g_list_append(list, mime_type);
968 g_warning("Can't read mime.types\n");
973 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
977 else if (!strncasecmp(charset, "ISO-2022-", 9) ||
978 !strcasecmp(charset, "US-ASCII"))
980 else if (!strcasecmp(charset, "ISO-8859-5") ||
981 !strncasecmp(charset, "KOI8-", 5) ||
982 !strcasecmp(charset, "Windows-1251"))
984 else if (!strncasecmp(charset, "ISO-8859-", 9))
985 return ENC_QUOTED_PRINTABLE;
990 EncodingType procmime_get_encoding_for_file(const gchar *file)
996 if ((fp = fopen(file, "rb")) == NULL) {
997 FILE_OP_ERROR(file, "fopen");
1001 while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
1005 for (p = buf, i = 0; i < len; p++, i++) {
1017 struct EncodingTable
1020 EncodingType enc_type;
1023 struct EncodingTable encoding_table[] = {
1026 {"binary", ENC_BINARY},
1027 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1028 {"base64", ENC_BASE64},
1029 {"x-uuencode", ENC_UNKNOWN},
1030 {NULL, ENC_UNKNOWN},
1033 const gchar *procmime_get_encoding_str(EncodingType encoding)
1035 struct EncodingTable *enc_table;
1037 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1038 if (enc_table->enc_type == encoding)
1039 return enc_table->str;
1044 /* --- NEW MIME STUFF --- */
1051 static struct TypeTable mime_type_table[] = {
1052 {"text", MIMETYPE_TEXT},
1053 {"image", MIMETYPE_IMAGE},
1054 {"audio", MIMETYPE_AUDIO},
1055 {"video", MIMETYPE_VIDEO},
1056 {"application", MIMETYPE_APPLICATION},
1057 {"message", MIMETYPE_MESSAGE},
1058 {"multipart", MIMETYPE_MULTIPART},
1062 const gchar *procmime_get_media_type_str(MimeMediaType type)
1064 struct TypeTable *type_table;
1066 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1067 if (type_table->type == type)
1068 return type_table->str;
1073 MimeMediaType procmime_get_media_type(const gchar *str)
1075 struct TypeTable *typetablearray;
1077 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1078 if (g_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1079 return typetablearray->type;
1081 return MIMETYPE_UNKNOWN;
1085 *\brief Safe wrapper for content type string.
1087 *\return const gchar * Pointer to content type string.
1089 gchar *procmime_get_content_type_str(MimeMediaType type,
1090 const char *subtype)
1092 const gchar *type_str = NULL;
1094 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1095 return g_strdup("unknown");
1096 return g_strdup_printf("%s/%s", type_str, subtype);
1099 void procmime_parse_mimepart(MimeInfo *parent,
1100 gchar *content_type,
1101 gchar *content_encoding,
1102 gchar *content_description,
1104 gchar *content_disposition,
1105 const gchar *filename,
1109 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
1111 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1112 {"Content-Transfer-Encoding:",
1114 {"Content-Description:",
1118 {"Content-Disposition:",
1122 {NULL, NULL, FALSE}};
1123 guint content_start, i;
1125 gint mime_major, mime_minor;
1127 procmime_decode_content(mimeinfo);
1129 fp = fopen(mimeinfo->filename, "rb");
1131 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1134 fseek(fp, mimeinfo->offset, SEEK_SET);
1135 procheader_get_header_fields(fp, hentry);
1136 if (hentry[0].body != NULL)
1137 conv_unmime_header_overwrite(hentry[0].body);
1138 if (hentry[2].body != NULL)
1139 conv_unmime_header_overwrite(hentry[2].body);
1140 if (hentry[4].body != NULL)
1141 conv_unmime_header_overwrite(hentry[4].body);
1142 content_start = ftell(fp);
1145 if ((hentry[5].body != NULL) &&
1146 (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1147 (mime_major == 1) && (mime_minor == 0)) {
1148 procmime_parse_mimepart(mimeinfo,
1149 hentry[0].body, hentry[1].body,
1150 hentry[2].body, hentry[3].body,
1152 mimeinfo->filename, content_start,
1153 mimeinfo->length - (content_start - mimeinfo->offset));
1157 subinfo = procmime_mimeinfo_new();
1158 subinfo->encoding_type = ENC_UNKNOWN;
1159 subinfo->type = MIMETYPE_TEXT;
1160 subinfo->subtype = g_strdup("plain");
1161 subinfo->filename = g_strdup(mimeinfo->filename);
1162 subinfo->offset = content_start;
1163 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1165 g_node_append(mimeinfo->node, subinfo->node);
1167 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1168 g_free(hentry[i].body);
1169 hentry[i].body = NULL;
1173 void procmime_parse_multipart(MimeInfo *mimeinfo)
1175 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1176 {"Content-Transfer-Encoding:",
1178 {"Content-Description:",
1182 {"Content-Disposition:",
1184 {NULL, NULL, FALSE}};
1187 gint boundary_len = 0, lastoffset = -1, i;
1188 gchar buf[BUFFSIZE];
1191 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1194 boundary_len = strlen(boundary);
1196 procmime_decode_content(mimeinfo);
1198 fp = fopen(mimeinfo->filename, "rb");
1200 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1203 fseek(fp, mimeinfo->offset, SEEK_SET);
1204 while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1205 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1208 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1209 if (lastoffset != -1) {
1210 procmime_parse_mimepart(mimeinfo,
1211 hentry[0].body, hentry[1].body,
1212 hentry[2].body, hentry[3].body,
1214 mimeinfo->filename, lastoffset,
1215 (ftell(fp) - strlen(buf)) - lastoffset - 1);
1218 if (buf[2 + boundary_len] == '-' &&
1219 buf[2 + boundary_len + 1] == '-')
1222 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1223 g_free(hentry[i].body);
1224 hentry[i].body = NULL;
1226 procheader_get_header_fields(fp, hentry);
1227 if (hentry[0].body != NULL)
1228 conv_unmime_header_overwrite(hentry[0].body);
1229 if (hentry[2].body != NULL)
1230 conv_unmime_header_overwrite(hentry[2].body);
1231 if (hentry[4].body != NULL)
1232 conv_unmime_header_overwrite(hentry[4].body);
1233 lastoffset = ftell(fp);
1236 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1237 g_free(hentry[i].body);
1238 hentry[i].body = NULL;
1243 static void add_to_mimeinfo_parameters(gchar **parts, GHashTable *table)
1247 for (strarray = parts; *strarray != NULL; strarray++) {
1248 gchar **parameters_parts;
1250 parameters_parts = g_strsplit(*strarray, "=", 1);
1251 if ((parameters_parts[0] != NULL) && (parameters_parts[1] != NULL)) {
1254 g_strstrip(parameters_parts[0]);
1255 g_strstrip(parameters_parts[1]);
1256 g_strdown(parameters_parts[0]);
1257 if (parameters_parts[1][0] == '"')
1258 extract_quote(parameters_parts[1], '"');
1259 else if ((firstspace = strchr(parameters_parts[1], ' ')) != NULL)
1261 if (g_hash_table_lookup(table, parameters_parts[0]) == NULL)
1262 g_hash_table_insert(table,
1263 g_strdup(parameters_parts[0]),
1264 g_strdup(parameters_parts[1]));
1266 g_strfreev(parameters_parts);
1270 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1272 gchar **content_type_parts;
1276 g_return_if_fail(content_type != NULL);
1277 g_return_if_fail(mimeinfo != NULL);
1279 /* Split content type into parts and remove trailing
1280 and leading whitespaces from all strings */
1281 content_type_parts = g_strsplit(content_type, ";", 0);
1282 for (strarray = content_type_parts; *strarray != NULL; strarray++) {
1283 g_strstrip(*strarray);
1286 /* Get mimeinfo->type and mimeinfo->subtype */
1287 str = content_type_parts[0];
1288 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1289 * if it's not available we use the default Content-Type */
1290 if ((str == NULL) || (str[0] == '\0') || (strchr(str, '/') == NULL)) {
1291 mimeinfo->type = MIMETYPE_TEXT;
1292 mimeinfo->subtype = g_strdup("plain");
1293 if (g_hash_table_lookup(mimeinfo->typeparameters,
1295 g_hash_table_insert(mimeinfo->typeparameters,
1296 g_strdup("charset"),
1297 g_strdup("us-ascii"));
1299 gchar *type, *subtype;
1301 type = g_strdup(str);
1302 subtype = strchr(type, '/') + 1;
1303 *(subtype - 1) = '\0';
1305 mimeinfo->type = procmime_get_media_type(type);
1306 mimeinfo->subtype = g_strdup(subtype);
1310 /* Get mimeinfo->parmeters */
1311 add_to_mimeinfo_parameters(&content_type_parts[1], mimeinfo->typeparameters);
1314 g_strfreev(content_type_parts);
1317 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1319 gchar **content_disp_parts;
1323 g_return_if_fail(content_disposition != NULL);
1324 g_return_if_fail(mimeinfo != NULL);
1326 /* Split into parts and remove trailing
1327 and leading whitespaces from all strings */
1328 content_disp_parts = g_strsplit(content_disposition, ";", 0);
1329 for (strarray = content_disp_parts; *strarray != NULL; strarray++) {
1330 g_strstrip(*strarray);
1332 /* Get mimeinfo->disposition */
1333 str = content_disp_parts[0];
1335 g_strfreev(content_disp_parts);
1338 if (!g_strcasecmp(str, "inline"))
1339 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1340 else if (!g_strcasecmp(str, "attachment"))
1341 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1343 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1345 add_to_mimeinfo_parameters(&content_disp_parts[1], mimeinfo->dispositionparameters);
1346 g_strfreev(content_disp_parts);
1350 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1352 struct EncodingTable *enc_table;
1354 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1355 if (g_strcasecmp(enc_table->str, content_encoding) == 0) {
1356 mimeinfo->encoding_type = enc_table->enc_type;
1360 mimeinfo->encoding_type = ENC_UNKNOWN;
1364 void procmime_parse_mimepart(MimeInfo *parent,
1365 gchar *content_type,
1366 gchar *content_encoding,
1367 gchar *content_description,
1369 gchar *content_disposition,
1370 const gchar *filename,
1376 /* Create MimeInfo */
1377 mimeinfo = procmime_mimeinfo_new();
1378 mimeinfo->content = MIMECONTENT_FILE;
1380 g_node_append(parent->node, mimeinfo->node);
1381 mimeinfo->filename = g_strdup(filename);
1382 mimeinfo->offset = offset;
1383 mimeinfo->length = length;
1385 if (content_type != NULL) {
1386 procmime_parse_content_type(content_type, mimeinfo);
1388 mimeinfo->type = MIMETYPE_TEXT;
1389 mimeinfo->subtype = g_strdup("plain");
1390 if (g_hash_table_lookup(mimeinfo->typeparameters,
1392 g_hash_table_insert(mimeinfo->typeparameters, g_strdup("charset"), g_strdup("us-ascii"));
1395 if (content_encoding != NULL) {
1396 procmime_parse_content_encoding(content_encoding, mimeinfo);
1398 mimeinfo->encoding_type = ENC_UNKNOWN;
1401 if (content_description != NULL)
1402 mimeinfo->description = g_strdup(content_description);
1404 mimeinfo->description = NULL;
1406 if (content_id != NULL)
1407 mimeinfo->id = g_strdup(content_id);
1409 mimeinfo->id = NULL;
1411 if (content_disposition != NULL)
1412 procmime_parse_content_disposition(content_disposition, mimeinfo);
1414 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1416 /* Call parser for mime type */
1417 switch (mimeinfo->type) {
1418 case MIMETYPE_MESSAGE:
1419 if (g_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1420 procmime_parse_message_rfc822(mimeinfo);
1424 case MIMETYPE_MULTIPART:
1425 procmime_parse_multipart(mimeinfo);
1433 static gchar *typenames[] = {
1444 static gboolean output_func(GNode *node, gpointer data)
1447 MimeInfo *mimeinfo = (MimeInfo *) node->data;
1449 depth = g_node_depth(node);
1450 for (i = 0; i < depth; i++)
1452 printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1457 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1459 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1462 MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1467 stat(filename, &buf);
1469 mimeinfo = procmime_mimeinfo_new();
1470 mimeinfo->content = MIMECONTENT_FILE;
1471 mimeinfo->encoding_type = ENC_UNKNOWN;
1472 mimeinfo->type = MIMETYPE_MESSAGE;
1473 mimeinfo->subtype = g_strdup("rfc822");
1474 mimeinfo->filename = g_strdup(filename);
1475 mimeinfo->offset = offset;
1476 mimeinfo->length = buf.st_size - offset;
1478 procmime_parse_message_rfc822(mimeinfo);
1479 if (debug_get_mode())
1480 output_mime_structure(mimeinfo, 0);
1485 MimeInfo *procmime_scan_file(const gchar *filename)
1489 g_return_val_if_fail(filename != NULL, NULL);
1491 mimeinfo = procmime_scan_file_with_offset(filename, 0);
1496 MimeInfo *procmime_scan_queue_file(const gchar *filename)
1500 gchar buf[BUFFSIZE];
1503 g_return_val_if_fail(filename != NULL, NULL);
1506 if ((fp = fopen(filename, "rb")) == NULL)
1508 /* Skip queue header */
1509 while (fgets(buf, sizeof(buf), fp) != NULL)
1510 if (buf[0] == '\r' || buf[0] == '\n') break;
1514 mimeinfo = procmime_scan_file_with_offset(filename, offset);
1519 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
1523 FILE *fp = user_data;
1525 /* FIXME: better encoding of parameters */
1526 fprintf(fp, "; %s=", param);
1527 if (strchr(val, ' ') != NULL)
1528 fprintf(fp, "\"%s\"", val);
1530 fprintf(fp, "%s", val);
1533 void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
1535 struct TypeTable *type_table;
1537 debug_print("procmime_write_mime_header\n");
1539 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
1540 if (mimeinfo->type == type_table->type) {
1541 fprintf(fp, "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
1544 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, fp);
1547 if (mimeinfo->encoding_type != ENC_UNKNOWN)
1548 fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type));
1550 if (mimeinfo->description != NULL)
1551 fprintf(fp, "Content-Description: %s\n", mimeinfo->description);
1553 if (mimeinfo->id != NULL)
1554 fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
1556 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
1557 fprintf(fp, "Content-Disposition: ");
1558 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
1559 fprintf(fp, "inline");
1560 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
1561 fprintf(fp, "attachment");
1563 fprintf(fp, "unknown");
1565 /* FIXME: linebreaks after too many parameters */
1566 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, fp);
1573 gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
1578 gchar buf[BUFFSIZE];
1579 gboolean skip = FALSE;;
1581 debug_print("procmime_write_message_rfc822\n");
1584 switch (mimeinfo->content) {
1585 case MIMECONTENT_FILE:
1586 if ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
1587 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1590 fseek(infp, mimeinfo->offset, SEEK_SET);
1591 while (fgets(buf, sizeof(buf), infp) == buf) {
1592 if (buf[0] == '\n' && buf[1] == '\0')
1594 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
1596 if (g_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
1597 g_strncasecmp(buf, "Content-Type:", 13) == 0 ||
1598 g_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
1599 g_strncasecmp(buf, "Content-Description:", 20) == 0 ||
1600 g_strncasecmp(buf, "Content-ID:", 11) == 0 ||
1601 g_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
1605 fwrite(buf, sizeof(gchar), strlen(buf), fp);
1611 case MIMECONTENT_MEM:
1612 fwrite(mimeinfo->data, strlen(mimeinfo->data), sizeof(gchar), fp);
1619 childnode = mimeinfo->node->children;
1620 if (childnode == NULL)
1623 child = (MimeInfo *) childnode->data;
1624 fprintf(fp, "Mime-Version: 1.0\n");
1625 procmime_write_mime_header(child, fp);
1626 return procmime_write_mimeinfo(child, fp);
1629 gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
1633 gchar *boundary, *str, *str2;
1634 gchar buf[BUFFSIZE];
1635 gboolean firstboundary;
1637 debug_print("procmime_write_multipart\n");
1639 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1641 switch (mimeinfo->content) {
1642 case MIMECONTENT_FILE:
1643 if ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
1644 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1647 fseek(infp, mimeinfo->offset, SEEK_SET);
1648 while (fgets(buf, sizeof(buf), infp) == buf) {
1649 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
1651 fwrite(buf, sizeof(gchar), strlen(buf), fp);
1656 case MIMECONTENT_MEM:
1657 str = g_strdup(mimeinfo->data);
1658 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
1659 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
1661 fwrite(str, strlen(str), sizeof(gchar), fp);
1669 childnode = mimeinfo->node->children;
1670 firstboundary = TRUE;
1671 while (childnode != NULL) {
1672 MimeInfo *child = childnode->data;
1675 firstboundary = FALSE;
1678 fprintf(fp, "--%s\n", boundary);
1680 procmime_write_mime_header(child, fp);
1681 if (procmime_write_mimeinfo(child, fp) < 0)
1684 childnode = g_node_next_sibling(childnode);
1686 fprintf(fp, "\n--%s--\n", boundary);
1691 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
1695 debug_print("procmime_write_mimeinfo\n");
1697 if (G_NODE_IS_LEAF(mimeinfo->node)) {
1698 switch (mimeinfo->content) {
1699 case MIMECONTENT_FILE:
1700 if ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
1701 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1704 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
1708 case MIMECONTENT_MEM:
1709 fwrite(mimeinfo->data, strlen(mimeinfo->data), sizeof(gchar), fp);
1716 /* Call writer for mime type */
1717 switch (mimeinfo->type) {
1718 case MIMETYPE_MESSAGE:
1719 if (g_strcasecmp(mimeinfo->subtype, "rfc822") == 0)
1720 return procmime_write_message_rfc822(mimeinfo, fp);
1723 case MIMETYPE_MULTIPART:
1724 return procmime_write_multipart(mimeinfo, fp);