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)
143 node = mimeinfo->node;
144 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
146 g_node_destroy(node);
150 MimeInfo *procmime_mimeinfo_insert(MimeInfo *parent, MimeInfo *mimeinfo)
152 MimeInfo *child = parent->children;
155 parent->children = mimeinfo;
157 while (child->next != NULL)
160 child->next = mimeinfo;
163 mimeinfo->parent = parent;
164 mimeinfo->level = parent->level + 1;
169 void procmime_mimeinfo_replace(MimeInfo *old, MimeInfo *new)
171 MimeInfo *parent = old->parent;
174 g_return_if_fail(parent != NULL);
175 g_return_if_fail(new->next == NULL);
177 for (child = parent->children; child && child != old;
181 g_warning("oops: parent can't find it's own child");
184 procmime_mimeinfo_free_all(old);
186 if (child == parent->children) {
187 new->next = parent->children->next;
188 parent->children = new;
190 new->next = child->next;
196 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
198 g_return_val_if_fail(mimeinfo != NULL, NULL);
199 g_return_val_if_fail(mimeinfo->node != NULL, NULL);
201 if (mimeinfo->node->parent == NULL)
203 return (MimeInfo *) mimeinfo->node->parent->data;
206 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
208 g_return_val_if_fail(mimeinfo != NULL, NULL);
209 g_return_val_if_fail(mimeinfo->node != NULL, NULL);
211 if (mimeinfo->node->children)
212 return (MimeInfo *) mimeinfo->node->children->data;
213 if (mimeinfo->node->next)
214 return (MimeInfo *) mimeinfo->node->next->data;
216 if (mimeinfo->node->parent == NULL)
219 while (mimeinfo->node->parent != NULL) {
220 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
221 if (mimeinfo->node->next)
222 return (MimeInfo *) mimeinfo->node->next->data;
228 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
233 filename = procmsg_get_message_file(msginfo);
236 if (msginfo->folder->stype != F_QUEUE &&
237 msginfo->folder->stype != F_DRAFT)
238 mimeinfo = procmime_scan_file(filename);
240 mimeinfo = procmime_scan_queue_file(filename);
248 H_CONTENT_TRANSFER_ENCODING = 0,
250 H_CONTENT_DISPOSITION = 2,
251 H_CONTENT_DESCRIPTION = 3,
255 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
259 g_return_val_if_fail(mimeinfo != NULL, NULL);
260 g_return_val_if_fail(name != NULL, NULL);
262 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
264 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
269 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 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
300 readend = mimeinfo->offset + mimeinfo->length;
302 if (encoding == ENC_QUOTED_PRINTABLE) {
303 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
305 len = qp_decode_line(buf);
306 fwrite(buf, len, 1, outfp);
308 } else if (encoding == ENC_BASE64) {
309 gchar outbuf[BUFFSIZE];
311 Base64Decoder *decoder;
313 decoder = base64_decoder_new();
314 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
315 len = base64_decoder_decode(decoder, buf, outbuf);
317 g_warning("Bad BASE64 content\n");
320 fwrite(outbuf, sizeof(gchar), len, outfp);
322 base64_decoder_free(decoder);
323 } else if (encoding == ENC_X_UUENCODE) {
324 gchar outbuf[BUFFSIZE];
326 gboolean flag = FALSE;
328 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
329 if (!flag && strncmp(buf,"begin ", 6)) continue;
332 len = fromuutobits(outbuf, buf);
335 g_warning("Bad UUENCODE content(%d)\n", len);
338 fwrite(outbuf, sizeof(gchar), len, outfp);
343 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
351 stat(tmpfilename, &statbuf);
352 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
353 unlink(mimeinfo->data.filename);
354 if (mimeinfo->data.filename != NULL)
355 g_free(mimeinfo->data.filename);
356 mimeinfo->data.filename = tmpfilename;
357 mimeinfo->tmp = TRUE;
358 mimeinfo->offset = 0;
359 mimeinfo->length = statbuf.st_size;
360 mimeinfo->encoding_type = ENC_BINARY;
365 #define B64_LINE_SIZE 57
366 #define B64_BUFFSIZE 77
368 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
375 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
376 mimeinfo->encoding_type != ENC_BINARY &&
377 mimeinfo->encoding_type != ENC_7BIT &&
378 mimeinfo->encoding_type != ENC_8BIT)
379 if(!procmime_decode_content(mimeinfo))
382 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
388 if (mimeinfo->content == MIMECONTENT_FILE) {
389 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
390 g_warning("Can't open file %s\n", mimeinfo->data.filename);
393 } else if (mimeinfo->content == MIMECONTENT_MEM) {
394 infp = str_open_as_stream(mimeinfo->data.mem);
399 if (encoding == ENC_BASE64) {
400 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
402 while ((len = fread(inbuf, sizeof(gchar),
403 B64_LINE_SIZE, infp))
405 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
406 fputs(outbuf, outfp);
409 if (len > 0 && feof(infp)) {
410 base64_encode(outbuf, inbuf, len);
411 fputs(outbuf, outfp);
414 } else if (encoding == ENC_QUOTED_PRINTABLE) {
415 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
417 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
418 qp_encode_line(outbuf, inbuf);
419 fputs(outbuf, outfp);
424 while (fgets(buf, sizeof(buf), infp) != NULL) {
433 if (mimeinfo->content == MIMECONTENT_FILE) {
434 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
435 unlink(mimeinfo->data.filename);
436 g_free(mimeinfo->data.filename);
437 } else if (mimeinfo->content == MIMECONTENT_MEM) {
438 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
439 g_free(mimeinfo->data.mem);
442 stat(tmpfilename, &statbuf);
443 mimeinfo->content = MIMECONTENT_FILE;
444 mimeinfo->data.filename = tmpfilename;
445 mimeinfo->tmp = TRUE;
446 mimeinfo->offset = 0;
447 mimeinfo->length = statbuf.st_size;
448 mimeinfo->encoding_type = encoding;
453 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
457 gint restlength, readlength;
459 g_return_val_if_fail(outfile != NULL, -1);
460 g_return_val_if_fail(mimeinfo != NULL, -1);
462 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
465 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
466 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
469 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
470 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
474 if ((outfp = fopen(outfile, "wb")) == NULL) {
475 FILE_OP_ERROR(outfile, "fopen");
480 restlength = mimeinfo->length;
482 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
483 fwrite(buf, 1, readlength, outfp);
484 restlength -= readlength;
488 if (fclose(outfp) == EOF) {
489 FILE_OP_ERROR(outfile, "fclose");
497 struct ContentRenderer {
502 static GList * renderer_list = NULL;
504 static struct ContentRenderer *
505 content_renderer_new(char * content_type, char * renderer)
507 struct ContentRenderer * cr;
509 cr = g_new(struct ContentRenderer, 1);
513 cr->content_type = g_strdup(content_type);
514 cr->renderer = g_strdup(renderer);
519 static void content_renderer_free(struct ContentRenderer * cr)
521 g_free(cr->content_type);
522 g_free(cr->renderer);
526 void renderer_read_config(void)
532 g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
533 renderer_list = NULL;
535 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
536 f = fopen(rcpath, "rb");
542 while (fgets(buf, BUFFSIZE, f)) {
544 struct ContentRenderer * cr;
547 p = strchr(buf, ' ');
552 cr = content_renderer_new(buf, p + 1);
556 renderer_list = g_list_append(renderer_list, cr);
562 void renderer_write_config(void)
568 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
570 if ((pfile = prefs_write_open(rcpath)) == NULL) {
571 g_warning("failed to write configuration to file\n");
578 for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
579 struct ContentRenderer * renderer;
580 renderer = cur->data;
581 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
585 if (prefs_file_close(pfile) < 0) {
586 g_warning("failed to write configuration to file\n");
591 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
594 const gchar *src_codeset;
595 gboolean conv_fail = FALSE;
598 struct ContentRenderer * renderer;
600 gchar *tmpfile, *content_type;
602 g_return_val_if_fail(mimeinfo != NULL, NULL);
604 if (!procmime_decode_content(mimeinfo))
607 tmpfile = procmime_get_tmp_file_name(mimeinfo);
611 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
616 tmpfp = fopen(tmpfile, "rb");
622 if ((outfp = my_tmpfile()) == NULL) {
629 src_codeset = forced_charset
631 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
635 content_type = procmime_get_content_type_str(mimeinfo->type,
637 for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
638 struct ContentRenderer * cr;
641 if (g_ascii_strcasecmp(cr->content_type, content_type) == 0) {
646 g_free(content_type);
648 if (renderer != NULL) {
654 dup2(fileno(outfp), 1);
656 p = popen(renderer->renderer, "w");
661 fread(buf, sizeof(char), sizeof(buf),
663 fwrite(buf, sizeof(char), count, p);
668 #warning FIXME_GTK2 HTML/RTF not yet utf8
669 /* CodeConverter seems to have no effect here */
670 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
674 conv = conv_code_converter_new(src_codeset);
675 parser = html_parser_new(tmpfp, conv);
676 while ((str = html_parse(parser)) != NULL) {
679 html_parser_destroy(parser);
680 conv_code_converter_destroy(conv);
681 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
685 conv = conv_code_converter_new(src_codeset);
686 parser = ertf_parser_new(tmpfp, conv);
687 while ((str = ertf_parse(parser)) != NULL) {
690 ertf_parser_destroy(parser);
691 conv_code_converter_destroy(conv);
692 } else if (mimeinfo->type == MIMETYPE_TEXT) {
693 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
694 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
706 g_warning("procmime_get_text_content(): Code conversion failed.\n");
716 /* search the first text part of (multipart) MIME message,
717 decode, convert it and output to outfp. */
718 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
721 MimeInfo *mimeinfo, *partinfo;
723 g_return_val_if_fail(msginfo != NULL, NULL);
725 mimeinfo = procmime_scan_message(msginfo);
726 if (!mimeinfo) return NULL;
729 while (partinfo && partinfo->type != MIMETYPE_TEXT)
730 partinfo = procmime_mimeinfo_next(partinfo);
733 outfp = procmime_get_text_content(partinfo);
735 procmime_mimeinfo_free_all(mimeinfo);
740 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
741 const gchar *str, StrFindFunc find_func)
746 g_return_val_if_fail(mimeinfo != NULL, FALSE);
747 g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
748 g_return_val_if_fail(str != NULL, FALSE);
749 g_return_val_if_fail(find_func != NULL, FALSE);
751 outfp = procmime_get_text_content(mimeinfo);
756 while (fgets(buf, sizeof(buf), outfp) != NULL) {
758 if (find_func(buf, str)) {
769 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
770 StrFindFunc find_func)
775 gboolean found = FALSE;
777 g_return_val_if_fail(msginfo != NULL, FALSE);
778 g_return_val_if_fail(str != NULL, FALSE);
779 g_return_val_if_fail(find_func != NULL, FALSE);
781 filename = procmsg_get_message_file(msginfo);
782 if (!filename) return FALSE;
783 mimeinfo = procmime_scan_message(msginfo);
785 for (partinfo = mimeinfo; partinfo != NULL;
786 partinfo = procmime_mimeinfo_next(partinfo)) {
787 if (partinfo->type == MIMETYPE_TEXT) {
788 if (procmime_find_string_part
789 (partinfo, filename, str, find_func) == TRUE) {
796 procmime_mimeinfo_free_all(mimeinfo);
802 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
804 static guint32 id = 0;
809 g_return_val_if_fail(mimeinfo != NULL, NULL);
811 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
813 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
814 base = "mimetmp.html";
816 const gchar *basetmp;
818 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
820 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
823 base = g_basename(basetmp);
824 if (*base == '\0') base = "mimetmp";
825 Xstrdup_a(base, base, return NULL);
826 subst_for_shellsafe_filename(base);
829 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
830 f_prefix, base, NULL);
835 static GList *mime_type_list = NULL;
837 gchar *procmime_get_mime_type(const gchar *filename)
839 static GHashTable *mime_type_table = NULL;
844 if (!mime_type_table) {
845 mime_type_table = procmime_get_mime_type_table();
846 if (!mime_type_table) return NULL;
849 filename = g_basename(filename);
850 p = strrchr(filename, '.');
853 Xstrdup_a(ext, p + 1, return NULL);
855 mime_type = g_hash_table_lookup(mime_type_table, ext);
859 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
867 static guint procmime_str_hash(gconstpointer gptr)
869 guint hash_result = 0;
872 for (str = gptr; str && *str; str++) {
873 if (isupper(*str)) hash_result += (*str + ' ');
874 else hash_result += *str;
880 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
882 const char *str1 = gptr1;
883 const char *str2 = gptr2;
885 return !g_utf8_collate(str1, str2);
888 static GHashTable *procmime_get_mime_type_table(void)
890 GHashTable *table = NULL;
895 if (!mime_type_list) {
896 mime_type_list = procmime_get_mime_type_list();
897 if (!mime_type_list) return NULL;
900 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
902 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
906 mime_type = (MimeType *)cur->data;
908 if (!mime_type->extension) continue;
910 exts = g_strsplit(mime_type->extension, " ", 16);
911 for (i = 0; exts[i] != NULL; i++) {
912 /* make the key case insensitive */
914 /* use previously dup'd key on overwriting */
915 if (g_hash_table_lookup(table, exts[i]))
918 key = g_strdup(exts[i]);
919 g_hash_table_insert(table, key, mime_type);
927 GList *procmime_get_mime_type_list(void)
937 return mime_type_list;
939 if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
940 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
941 FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
946 while (fgets(buf, sizeof(buf), fp) != NULL) {
947 p = strchr(buf, '#');
952 while (*p && !isspace(*p)) p++;
957 delim = strchr(buf, '/');
958 if (delim == NULL) continue;
961 mime_type = g_new(MimeType, 1);
962 mime_type->type = g_strdup(buf);
963 mime_type->sub_type = g_strdup(delim + 1);
965 while (*p && isspace(*p)) p++;
967 mime_type->extension = g_strdup(p);
969 mime_type->extension = NULL;
971 list = g_list_append(list, mime_type);
977 g_warning("Can't read mime.types\n");
982 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
986 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
987 !g_ascii_strcasecmp(charset, "US-ASCII"))
989 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
990 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
991 !g_ascii_strcasecmp(charset, "Windows-1251"))
993 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
994 return ENC_QUOTED_PRINTABLE;
999 EncodingType procmime_get_encoding_for_file(const gchar *file)
1005 if ((fp = fopen(file, "rb")) == NULL) {
1006 FILE_OP_ERROR(file, "fopen");
1010 while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
1014 for (p = buf, i = 0; i < len; p++, i++) {
1026 struct EncodingTable
1029 EncodingType enc_type;
1032 struct EncodingTable encoding_table[] = {
1035 {"binary", ENC_BINARY},
1036 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1037 {"base64", ENC_BASE64},
1038 {"x-uuencode", ENC_UNKNOWN},
1039 {NULL, ENC_UNKNOWN},
1042 const gchar *procmime_get_encoding_str(EncodingType encoding)
1044 struct EncodingTable *enc_table;
1046 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1047 if (enc_table->enc_type == encoding)
1048 return enc_table->str;
1053 /* --- NEW MIME STUFF --- */
1060 static struct TypeTable mime_type_table[] = {
1061 {"text", MIMETYPE_TEXT},
1062 {"image", MIMETYPE_IMAGE},
1063 {"audio", MIMETYPE_AUDIO},
1064 {"video", MIMETYPE_VIDEO},
1065 {"application", MIMETYPE_APPLICATION},
1066 {"message", MIMETYPE_MESSAGE},
1067 {"multipart", MIMETYPE_MULTIPART},
1071 const gchar *procmime_get_media_type_str(MimeMediaType type)
1073 struct TypeTable *type_table;
1075 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1076 if (type_table->type == type)
1077 return type_table->str;
1082 MimeMediaType procmime_get_media_type(const gchar *str)
1084 struct TypeTable *typetablearray;
1086 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1087 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1088 return typetablearray->type;
1090 return MIMETYPE_UNKNOWN;
1094 *\brief Safe wrapper for content type string.
1096 *\return const gchar * Pointer to content type string.
1098 gchar *procmime_get_content_type_str(MimeMediaType type,
1099 const char *subtype)
1101 const gchar *type_str = NULL;
1103 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1104 return g_strdup("unknown");
1105 return g_strdup_printf("%s/%s", type_str, subtype);
1108 void procmime_parse_mimepart(MimeInfo *parent,
1109 gchar *content_type,
1110 gchar *content_encoding,
1111 gchar *content_description,
1113 gchar *content_disposition,
1114 const gchar *filename,
1118 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
1120 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1121 {"Content-Transfer-Encoding:",
1123 {"Content-Description:",
1127 {"Content-Disposition:",
1131 {NULL, NULL, FALSE}};
1132 guint content_start, i;
1134 gint mime_major, mime_minor;
1136 procmime_decode_content(mimeinfo);
1138 fp = fopen(mimeinfo->data.filename, "rb");
1140 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1143 fseek(fp, mimeinfo->offset, SEEK_SET);
1144 procheader_get_header_fields(fp, hentry);
1145 if (hentry[0].body != NULL)
1146 conv_unmime_header_overwrite(hentry[0].body);
1147 if (hentry[2].body != NULL)
1148 conv_unmime_header_overwrite(hentry[2].body);
1149 if (hentry[4].body != NULL)
1150 conv_unmime_header_overwrite(hentry[4].body);
1151 content_start = ftell(fp);
1154 if ((hentry[5].body != NULL) &&
1155 (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1156 (mime_major == 1) && (mime_minor == 0)) {
1157 procmime_parse_mimepart(mimeinfo,
1158 hentry[0].body, hentry[1].body,
1159 hentry[2].body, hentry[3].body,
1161 mimeinfo->data.filename, content_start,
1162 mimeinfo->length - (content_start - mimeinfo->offset));
1166 subinfo = procmime_mimeinfo_new();
1167 subinfo->encoding_type = ENC_UNKNOWN;
1168 subinfo->type = MIMETYPE_TEXT;
1169 subinfo->subtype = g_strdup("plain");
1170 subinfo->data.filename = g_strdup(mimeinfo->data.filename);
1171 subinfo->offset = content_start;
1172 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1174 g_node_append(mimeinfo->node, subinfo->node);
1176 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1177 g_free(hentry[i].body);
1178 hentry[i].body = NULL;
1182 void procmime_parse_multipart(MimeInfo *mimeinfo)
1184 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1185 {"Content-Transfer-Encoding:",
1187 {"Content-Description:",
1191 {"Content-Disposition:",
1193 {NULL, NULL, FALSE}};
1196 gint boundary_len = 0, lastoffset = -1, i;
1197 gchar buf[BUFFSIZE];
1200 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1203 boundary_len = strlen(boundary);
1205 procmime_decode_content(mimeinfo);
1207 fp = fopen(mimeinfo->data.filename, "rb");
1209 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1212 fseek(fp, mimeinfo->offset, SEEK_SET);
1213 while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1214 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1217 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1218 if (lastoffset != -1) {
1219 procmime_parse_mimepart(mimeinfo,
1220 hentry[0].body, hentry[1].body,
1221 hentry[2].body, hentry[3].body,
1223 mimeinfo->data.filename, lastoffset,
1224 (ftell(fp) - strlen(buf)) - lastoffset - 1);
1227 if (buf[2 + boundary_len] == '-' &&
1228 buf[2 + boundary_len + 1] == '-')
1231 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1232 g_free(hentry[i].body);
1233 hentry[i].body = NULL;
1235 procheader_get_header_fields(fp, hentry);
1236 if (hentry[0].body != NULL)
1237 conv_unmime_header_overwrite(hentry[0].body);
1238 if (hentry[2].body != NULL)
1239 conv_unmime_header_overwrite(hentry[2].body);
1240 if (hentry[4].body != NULL)
1241 conv_unmime_header_overwrite(hentry[4].body);
1242 lastoffset = ftell(fp);
1245 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1246 g_free(hentry[i].body);
1247 hentry[i].body = NULL;
1252 static void parse_parameters(const gchar *parameters, GHashTable *table)
1254 gchar *params, *param, *next;
1255 GSList *convlist = NULL, *concatlist = NULL, *cur;
1257 params = g_strdup(parameters);
1260 for (; next != NULL; param = next) {
1261 gchar *attribute, *value, *tmp;
1263 gboolean convert = FALSE;
1265 next = strchr_with_skip_quote(param, '"', ';');
1274 value = strchr(attribute, '=');
1281 g_strdown(attribute);
1283 len = strlen(attribute);
1284 if (attribute[len - 1] == '*') {
1285 gchar *srcpos, *dstpos, *endpos;
1288 attribute[len - 1] = '\0';
1292 endpos = value + strlen(value);
1293 while (srcpos < endpos) {
1299 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1310 if (value[0] == '"')
1311 extract_quote(value, '"');
1312 else if ((tmp = strchr(value, ' ')) != NULL)
1316 if (strrchr(attribute, '*') != NULL) {
1319 tmpattr = g_strdup(attribute);
1320 tmp = strrchr(tmpattr, '*');
1323 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1324 (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
1325 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1327 if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
1328 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1331 } else if (convert) {
1332 if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
1333 convlist = g_slist_prepend(convlist, g_strdup(attribute));
1336 if (g_hash_table_lookup(table, attribute) == NULL)
1337 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
1340 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1341 gchar *attribute, *attrwnum, *partvalue;
1345 attribute = (gchar *) cur->data;
1346 value = g_string_sized_new(64);
1348 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1349 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1350 g_string_append(value, partvalue);
1354 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1358 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1359 g_string_free(value, TRUE);
1361 slist_free_strings(concatlist);
1362 g_slist_free(concatlist);
1364 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1365 gchar *attribute, *key, *value;
1366 gchar *charset, *lang, *oldvalue, *newvalue;
1368 attribute = (gchar *) cur->data;
1369 if (!g_hash_table_lookup_extended(table, attribute, (gpointer *) &key, (gpointer *) &value))
1373 lang = strchr(charset, '\'');
1378 oldvalue = strchr(lang, '\'');
1379 if (oldvalue == NULL)
1384 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1386 g_hash_table_remove(table, attribute);
1390 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1392 slist_free_strings(convlist);
1393 g_slist_free(convlist);
1398 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1400 g_return_if_fail(content_type != NULL);
1401 g_return_if_fail(mimeinfo != NULL);
1403 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1404 * if it's not available we use the default Content-Type */
1405 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1406 mimeinfo->type = MIMETYPE_TEXT;
1407 mimeinfo->subtype = g_strdup("plain");
1408 if (g_hash_table_lookup(mimeinfo->typeparameters,
1410 g_hash_table_insert(mimeinfo->typeparameters,
1411 g_strdup("charset"),
1412 g_strdup("us-ascii"));
1414 gchar *type, *subtype, *params;
1416 type = g_strdup(content_type);
1417 subtype = strchr(type, '/') + 1;
1418 *(subtype - 1) = '\0';
1419 if ((params = strchr(subtype, ';')) != NULL) {
1424 mimeinfo->type = procmime_get_media_type(type);
1425 mimeinfo->subtype = g_strdup(subtype);
1427 /* Get mimeinfo->typeparameters */
1429 parse_parameters(params, mimeinfo->typeparameters);
1435 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1437 gchar *tmp, *params;
1439 g_return_if_fail(content_disposition != NULL);
1440 g_return_if_fail(mimeinfo != NULL);
1442 tmp = g_strdup(content_disposition);
1443 if ((params = strchr(tmp, ';')) != NULL) {
1449 if (!g_ascii_strcasecmp(tmp, "inline"))
1450 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1451 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1452 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1454 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1457 parse_parameters(params, mimeinfo->dispositionparameters);
1463 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1465 struct EncodingTable *enc_table;
1467 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1468 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1469 mimeinfo->encoding_type = enc_table->enc_type;
1473 mimeinfo->encoding_type = ENC_UNKNOWN;
1477 void procmime_parse_mimepart(MimeInfo *parent,
1478 gchar *content_type,
1479 gchar *content_encoding,
1480 gchar *content_description,
1482 gchar *content_disposition,
1483 const gchar *filename,
1489 /* Create MimeInfo */
1490 mimeinfo = procmime_mimeinfo_new();
1491 mimeinfo->content = MIMECONTENT_FILE;
1493 g_node_append(parent->node, mimeinfo->node);
1494 mimeinfo->data.filename = g_strdup(filename);
1495 mimeinfo->offset = offset;
1496 mimeinfo->length = length;
1498 if (content_type != NULL) {
1499 procmime_parse_content_type(content_type, mimeinfo);
1501 mimeinfo->type = MIMETYPE_TEXT;
1502 mimeinfo->subtype = g_strdup("plain");
1503 if (g_hash_table_lookup(mimeinfo->typeparameters,
1505 g_hash_table_insert(mimeinfo->typeparameters, g_strdup("charset"), g_strdup("us-ascii"));
1508 if (content_encoding != NULL) {
1509 procmime_parse_content_encoding(content_encoding, mimeinfo);
1511 mimeinfo->encoding_type = ENC_UNKNOWN;
1514 if (content_description != NULL)
1515 mimeinfo->description = g_strdup(content_description);
1517 mimeinfo->description = NULL;
1519 if (content_id != NULL)
1520 mimeinfo->id = g_strdup(content_id);
1522 mimeinfo->id = NULL;
1524 if (content_disposition != NULL)
1525 procmime_parse_content_disposition(content_disposition, mimeinfo);
1527 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1529 /* Call parser for mime type */
1530 switch (mimeinfo->type) {
1531 case MIMETYPE_MESSAGE:
1532 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1533 procmime_parse_message_rfc822(mimeinfo);
1537 case MIMETYPE_MULTIPART:
1538 procmime_parse_multipart(mimeinfo);
1546 static gchar *typenames[] = {
1557 static gboolean output_func(GNode *node, gpointer data)
1560 MimeInfo *mimeinfo = (MimeInfo *) node->data;
1562 depth = g_node_depth(node);
1563 for (i = 0; i < depth; i++)
1565 printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1570 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1572 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1575 MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1580 stat(filename, &buf);
1582 mimeinfo = procmime_mimeinfo_new();
1583 mimeinfo->content = MIMECONTENT_FILE;
1584 mimeinfo->encoding_type = ENC_UNKNOWN;
1585 mimeinfo->type = MIMETYPE_MESSAGE;
1586 mimeinfo->subtype = g_strdup("rfc822");
1587 mimeinfo->data.filename = g_strdup(filename);
1588 mimeinfo->offset = offset;
1589 mimeinfo->length = buf.st_size - offset;
1591 procmime_parse_message_rfc822(mimeinfo);
1592 if (debug_get_mode())
1593 output_mime_structure(mimeinfo, 0);
1598 MimeInfo *procmime_scan_file(const gchar *filename)
1602 g_return_val_if_fail(filename != NULL, NULL);
1604 mimeinfo = procmime_scan_file_with_offset(filename, 0);
1609 MimeInfo *procmime_scan_queue_file(const gchar *filename)
1613 gchar buf[BUFFSIZE];
1616 g_return_val_if_fail(filename != NULL, NULL);
1619 if ((fp = fopen(filename, "rb")) == NULL)
1621 /* Skip queue header */
1622 while (fgets(buf, sizeof(buf), fp) != NULL)
1623 if (buf[0] == '\r' || buf[0] == '\n') break;
1627 mimeinfo = procmime_scan_file_with_offset(filename, offset);
1634 ENC_AS_QUOTED_STRING,
1638 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
1641 gchar *val = value, *valpos;
1642 FILE *fp = user_data;
1643 EncodeAs encas = ENC_AS_TOKEN;
1645 for (valpos = val; *valpos != 0; valpos++) {
1646 if (!IS_ASCII(*valpos)) {
1647 encas = ENC_AS_EXTENDED;
1652 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
1653 encas = ENC_AS_QUOTED_STRING;
1657 /* tspecials + SPACE */
1675 encas = ENC_AS_QUOTED_STRING;
1682 fprintf(fp, "; %s=", param);
1683 fprintf(fp, "%s", val);
1686 case ENC_AS_QUOTED_STRING:
1687 fprintf(fp, "; %s=", param);
1688 fprintf(fp, "\"%s\"", val);
1691 case ENC_AS_EXTENDED:
1692 fprintf(fp, "; %s*=", param);
1693 fprintf(fp, "%s''", conv_get_current_charset_str());
1694 for (valpos = val; *valpos != '\0'; valpos++) {
1695 if (IS_ASCII(*valpos) && isalnum(*valpos))
1696 fprintf(fp, "%c", *valpos);
1698 gchar hexstr[3] = "XX";
1699 get_hex_str(hexstr, *valpos);
1700 fprintf(fp, "%%%s", hexstr);
1707 void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
1709 struct TypeTable *type_table;
1711 debug_print("procmime_write_mime_header\n");
1713 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
1714 if (mimeinfo->type == type_table->type) {
1715 fprintf(fp, "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
1718 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, fp);
1721 if (mimeinfo->encoding_type != ENC_UNKNOWN)
1722 fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type));
1724 if (mimeinfo->description != NULL)
1725 fprintf(fp, "Content-Description: %s\n", mimeinfo->description);
1727 if (mimeinfo->id != NULL)
1728 fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
1730 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
1731 fprintf(fp, "Content-Disposition: ");
1732 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
1733 fprintf(fp, "inline");
1734 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
1735 fprintf(fp, "attachment");
1737 fprintf(fp, "unknown");
1739 /* FIXME: linebreaks after too many parameters */
1740 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, fp);
1747 gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
1752 gchar buf[BUFFSIZE];
1753 gboolean skip = FALSE;;
1755 debug_print("procmime_write_message_rfc822\n");
1758 switch (mimeinfo->content) {
1759 case MIMECONTENT_FILE:
1760 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1761 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1764 fseek(infp, mimeinfo->offset, SEEK_SET);
1765 while (fgets(buf, sizeof(buf), infp) == buf) {
1766 if (buf[0] == '\n' && buf[1] == '\0')
1768 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
1770 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
1771 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
1772 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
1773 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
1774 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
1775 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
1779 fwrite(buf, sizeof(gchar), strlen(buf), fp);
1785 case MIMECONTENT_MEM:
1786 fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1793 childnode = mimeinfo->node->children;
1794 if (childnode == NULL)
1797 child = (MimeInfo *) childnode->data;
1798 fprintf(fp, "Mime-Version: 1.0\n");
1799 procmime_write_mime_header(child, fp);
1800 return procmime_write_mimeinfo(child, fp);
1803 gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
1807 gchar *boundary, *str, *str2;
1808 gchar buf[BUFFSIZE];
1809 gboolean firstboundary;
1811 debug_print("procmime_write_multipart\n");
1813 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1815 switch (mimeinfo->content) {
1816 case MIMECONTENT_FILE:
1817 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1818 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1821 fseek(infp, mimeinfo->offset, SEEK_SET);
1822 while (fgets(buf, sizeof(buf), infp) == buf) {
1823 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
1825 fwrite(buf, sizeof(gchar), strlen(buf), fp);
1830 case MIMECONTENT_MEM:
1831 str = g_strdup(mimeinfo->data.mem);
1832 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
1833 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
1835 fwrite(str, strlen(str), sizeof(gchar), fp);
1843 childnode = mimeinfo->node->children;
1844 firstboundary = TRUE;
1845 while (childnode != NULL) {
1846 MimeInfo *child = childnode->data;
1849 firstboundary = FALSE;
1852 fprintf(fp, "--%s\n", boundary);
1854 procmime_write_mime_header(child, fp);
1855 if (procmime_write_mimeinfo(child, fp) < 0)
1858 childnode = g_node_next_sibling(childnode);
1860 fprintf(fp, "\n--%s--\n", boundary);
1865 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
1869 debug_print("procmime_write_mimeinfo\n");
1871 if (G_NODE_IS_LEAF(mimeinfo->node)) {
1872 switch (mimeinfo->content) {
1873 case MIMECONTENT_FILE:
1874 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1875 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1878 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
1882 case MIMECONTENT_MEM:
1883 fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1890 /* Call writer for mime type */
1891 switch (mimeinfo->type) {
1892 case MIMETYPE_MESSAGE:
1893 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0)
1894 return procmime_write_message_rfc822(mimeinfo, fp);
1897 case MIMETYPE_MULTIPART:
1898 return procmime_write_multipart(mimeinfo, fp);