2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2009 Hiroyuki Yamamoto & The Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
28 #include <glib/gi18n.h>
35 #include <sys/types.h>
41 #include "procheader.h"
43 #include "quoted-printable.h"
50 #include "prefs_common.h"
51 #include "prefs_gtk.h"
52 #include "alertpanel.h"
55 static GHashTable *procmime_get_mime_type_table (void);
56 static MimeInfo *procmime_scan_file_short(const gchar *filename);
57 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
58 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
60 MimeInfo *procmime_mimeinfo_new(void)
64 mimeinfo = g_new0(MimeInfo, 1);
65 mimeinfo->content = MIMECONTENT_EMPTY;
66 mimeinfo->data.filename = NULL;
68 mimeinfo->type = MIMETYPE_UNKNOWN;
69 mimeinfo->encoding_type = ENC_UNKNOWN;
70 mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
72 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
73 mimeinfo->dispositionparameters
74 = g_hash_table_new(g_str_hash, g_str_equal);
76 mimeinfo->node = g_node_new(mimeinfo);
81 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
89 static gchar *forced_charset = NULL;
91 void procmime_force_charset(const gchar *str)
93 g_free(forced_charset);
94 forced_charset = NULL;
96 forced_charset = g_strdup(str);
99 static EncodingType forced_encoding = 0;
101 void procmime_force_encoding(EncodingType encoding)
103 forced_encoding = encoding;
106 static gboolean free_func(GNode *node, gpointer data)
108 MimeInfo *mimeinfo = (MimeInfo *) node->data;
110 switch (mimeinfo->content) {
111 case MIMECONTENT_FILE:
113 claws_unlink(mimeinfo->data.filename);
114 g_free(mimeinfo->data.filename);
117 case MIMECONTENT_MEM:
119 g_free(mimeinfo->data.mem);
124 g_free(mimeinfo->subtype);
125 g_free(mimeinfo->description);
126 g_free(mimeinfo->id);
127 g_free(mimeinfo->location);
129 g_hash_table_foreach_remove(mimeinfo->typeparameters,
130 procmime_mimeinfo_parameters_destroy, NULL);
131 g_hash_table_destroy(mimeinfo->typeparameters);
132 g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
133 procmime_mimeinfo_parameters_destroy, NULL);
134 g_hash_table_destroy(mimeinfo->dispositionparameters);
136 if (mimeinfo->privacy)
137 privacy_free_privacydata(mimeinfo->privacy);
144 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
151 node = mimeinfo->node;
152 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
154 g_node_destroy(node);
157 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
159 cm_return_val_if_fail(mimeinfo != NULL, NULL);
160 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
162 if (mimeinfo->node->parent == NULL)
164 return (MimeInfo *) mimeinfo->node->parent->data;
167 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
169 cm_return_val_if_fail(mimeinfo != NULL, NULL);
170 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
172 if (mimeinfo->node->children)
173 return (MimeInfo *) mimeinfo->node->children->data;
174 if (mimeinfo->node->next)
175 return (MimeInfo *) mimeinfo->node->next->data;
177 if (mimeinfo->node->parent == NULL)
180 while (mimeinfo->node->parent != NULL) {
181 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
182 if (mimeinfo->node->next)
183 return (MimeInfo *) mimeinfo->node->next->data;
189 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
194 filename = procmsg_get_message_file_path(msginfo);
195 if (!filename || !is_file_exist(filename)) {
200 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
201 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
202 mimeinfo = procmime_scan_file(filename);
204 mimeinfo = procmime_scan_queue_file(filename);
211 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
216 filename = procmsg_get_message_file_path(msginfo);
217 if (!filename || !is_file_exist(filename)) {
222 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
223 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
224 mimeinfo = procmime_scan_file_short(filename);
226 mimeinfo = procmime_scan_queue_file_short(filename);
234 H_CONTENT_TRANSFER_ENCODING = 0,
236 H_CONTENT_DISPOSITION = 2,
237 H_CONTENT_DESCRIPTION = 3,
241 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
245 cm_return_val_if_fail(mimeinfo != NULL, NULL);
246 cm_return_val_if_fail(name != NULL, NULL);
248 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
250 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
255 #define FLUSH_LASTLINE() { \
256 if (*lastline != '\0') { \
258 strretchomp(lastline); \
259 llen = strlen(lastline); \
260 if (lastline[llen-1] == ' ' && strcmp(lastline,"-- ")) { \
261 /* this is flowed */ \
263 lastline[llen-1] = '\0'; \
264 if (fputs(lastline, outfp) == EOF) \
267 if (fputs(lastline, outfp) == EOF) \
269 if (fputs("\n", outfp) == EOF) \
273 strcpy(lastline, buf); \
276 gboolean procmime_decode_content(MimeInfo *mimeinfo)
283 gboolean tmp_file = FALSE;
284 gboolean flowed = FALSE;
285 gboolean delsp = FALSE;
286 gboolean err = FALSE;
288 EncodingType encoding = forced_encoding
290 : mimeinfo->encoding_type;
291 gchar lastline[BUFFSIZE];
292 memset(lastline, 0, BUFFSIZE);
294 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
296 if (prefs_common.respect_flowed_format &&
297 mimeinfo->type == MIMETYPE_TEXT &&
298 !strcasecmp(mimeinfo->subtype, "plain")) {
299 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
300 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
303 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
304 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
309 encoding == ENC_UNKNOWN ||
310 encoding == ENC_BINARY ||
311 encoding == ENC_7BIT ||
316 infp = g_fopen(mimeinfo->data.filename, "rb");
321 fseek(infp, mimeinfo->offset, SEEK_SET);
323 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
330 readend = mimeinfo->offset + mimeinfo->length;
332 if (encoding == ENC_QUOTED_PRINTABLE) {
333 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
335 len = qp_decode_line(buf);
338 if (fwrite(buf, 1, len, outfp) < len)
346 } else if (encoding == ENC_BASE64) {
347 gchar outbuf[BUFFSIZE];
348 gint len, inlen, inread;
349 Base64Decoder *decoder;
350 gboolean got_error = FALSE;
351 gboolean uncanonicalize = FALSE;
353 gboolean null_bytes = FALSE;
354 gboolean starting = TRUE;
356 if (mimeinfo->type == MIMETYPE_TEXT ||
357 mimeinfo->type == MIMETYPE_MESSAGE) {
358 uncanonicalize = TRUE;
359 tmpfp = my_tmpfile();
362 if (tmp_file) fclose(outfp);
368 decoder = base64_decoder_new();
369 while ((inlen = MIN(readend - ftell(infp), sizeof(buf))) > 0 && !err) {
370 inread = fread(buf, 1, inlen, infp);
371 len = base64_decoder_decode(decoder, buf, outbuf, inread);
372 if (uncanonicalize == TRUE && strlen(outbuf) < len && starting) {
373 uncanonicalize = FALSE;
377 if (((inread != inlen) || len < 0) && !got_error) {
378 g_warning("Bad BASE64 content.\n");
379 if (fwrite(_("[Error decoding BASE64]\n"),
381 strlen(_("[Error decoding BASE64]\n")),
382 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
383 g_warning("error decoding BASE64");
386 } else if (len >= 0) {
387 /* print out the error message only once
390 /* we won't uncanonicalize, output to outfp directly */
391 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
394 if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
400 base64_decoder_free(decoder);
402 if (uncanonicalize) {
404 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
406 if (fputs(buf, outfp) == EOF)
411 } else if (encoding == ENC_X_UUENCODE) {
412 gchar outbuf[BUFFSIZE];
414 gboolean flag = FALSE;
416 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
417 if (!flag && strncmp(buf,"begin ", 6)) continue;
420 len = fromuutobits(outbuf, buf);
423 g_warning("Bad UUENCODE content(%d)\n", len);
426 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
432 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
434 if (fputs(buf, outfp) == EOF)
443 g_warning("write error");
453 g_stat(tmpfilename, &statbuf);
454 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
455 claws_unlink(mimeinfo->data.filename);
456 g_free(mimeinfo->data.filename);
457 mimeinfo->data.filename = tmpfilename;
458 mimeinfo->tmp = TRUE;
459 mimeinfo->offset = 0;
460 mimeinfo->length = statbuf.st_size;
461 mimeinfo->encoding_type = ENC_BINARY;
466 #define B64_LINE_SIZE 57
467 #define B64_BUFFSIZE 77
469 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
471 FILE *infp = NULL, *outfp;
475 gboolean err = FALSE;
477 if (mimeinfo->content == MIMECONTENT_EMPTY)
480 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
481 mimeinfo->encoding_type != ENC_BINARY &&
482 mimeinfo->encoding_type != ENC_7BIT &&
483 mimeinfo->encoding_type != ENC_8BIT)
484 if(!procmime_decode_content(mimeinfo))
487 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
493 if (mimeinfo->content == MIMECONTENT_FILE && mimeinfo->data.filename) {
494 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
495 g_warning("Can't open file %s\n", mimeinfo->data.filename);
499 } else if (mimeinfo->content == MIMECONTENT_MEM) {
500 infp = str_open_as_stream(mimeinfo->data.mem);
507 if (encoding == ENC_BASE64) {
508 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
510 gchar *tmp_file = NULL;
512 if (mimeinfo->type == MIMETYPE_TEXT ||
513 mimeinfo->type == MIMETYPE_MESSAGE) {
514 if (mimeinfo->content == MIMECONTENT_FILE) {
515 tmp_file = get_tmp_file();
516 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
522 if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
523 FILE_OP_ERROR(tmp_file, "fopen");
524 claws_unlink(tmp_file);
531 gchar *out = canonicalize_str(mimeinfo->data.mem);
533 infp = str_open_as_stream(out);
543 while ((len = fread(inbuf, sizeof(gchar),
544 B64_LINE_SIZE, tmp_fp))
546 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
547 if (fputs(outbuf, outfp) == EOF)
549 if (fputc('\n', outfp) == EOF)
552 if (len > 0 && feof(tmp_fp)) {
553 base64_encode(outbuf, inbuf, len);
554 if (fputs(outbuf, outfp) == EOF)
556 if (fputc('\n', outfp) == EOF)
562 claws_unlink(tmp_file);
565 } else if (encoding == ENC_QUOTED_PRINTABLE) {
566 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
568 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
569 qp_encode_line(outbuf, inbuf);
571 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
572 gchar *tmpbuf = outbuf;
574 tmpbuf += sizeof("From ")-1;
576 if (fputs("=46rom ", outfp) == EOF)
578 if (fputs(tmpbuf, outfp) == EOF)
581 if (fputs(outbuf, outfp) == EOF)
588 while (fgets(buf, sizeof(buf), infp) != NULL) {
590 if (fputs(buf, outfp) == EOF)
601 if (mimeinfo->content == MIMECONTENT_FILE) {
602 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
603 claws_unlink(mimeinfo->data.filename);
604 g_free(mimeinfo->data.filename);
605 } else if (mimeinfo->content == MIMECONTENT_MEM) {
606 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
607 g_free(mimeinfo->data.mem);
610 g_stat(tmpfilename, &statbuf);
611 mimeinfo->content = MIMECONTENT_FILE;
612 mimeinfo->data.filename = tmpfilename;
613 mimeinfo->tmp = TRUE;
614 mimeinfo->offset = 0;
615 mimeinfo->length = statbuf.st_size;
616 mimeinfo->encoding_type = encoding;
621 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
625 gint restlength, readlength;
626 gint saved_errno = 0;
628 cm_return_val_if_fail(outfile != NULL, -1);
629 cm_return_val_if_fail(mimeinfo != NULL, -1);
631 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
634 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
636 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
637 return -(saved_errno);
639 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
641 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
643 return -(saved_errno);
645 if ((outfp = g_fopen(outfile, "wb")) == NULL) {
647 FILE_OP_ERROR(outfile, "fopen");
649 return -(saved_errno);
652 restlength = mimeinfo->length;
654 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
655 if (fwrite(buf, 1, readlength, outfp) != readlength) {
658 return -(saved_errno);
660 restlength -= readlength;
664 if (fclose(outfp) == EOF) {
666 FILE_OP_ERROR(outfile, "fclose");
667 claws_unlink(outfile);
668 return -(saved_errno);
674 static FILE *procmime_get_text_content(MimeInfo *mimeinfo)
677 const gchar *src_codeset;
678 gboolean conv_fail = FALSE;
682 gboolean err = FALSE;
684 cm_return_val_if_fail(mimeinfo != NULL, NULL);
686 if (!procmime_decode_content(mimeinfo))
689 tmpfile = procmime_get_tmp_file_name(mimeinfo);
693 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
698 tmpfp = g_fopen(tmpfile, "rb");
704 if ((outfp = my_tmpfile()) == NULL) {
711 src_codeset = forced_charset
713 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
715 /* use supersets transparently when possible */
716 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
717 src_codeset = CS_WINDOWS_1252;
718 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_GBK))
719 src_codeset = CS_GB18030;
720 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GBK))
721 src_codeset = CS_GB18030;
722 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GB2312))
723 src_codeset = CS_GB18030;
725 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
726 SC_HTMLParser *parser;
729 conv = conv_code_converter_new(src_codeset);
730 parser = sc_html_parser_new(tmpfp, conv);
731 while ((str = sc_html_parse(parser)) != NULL) {
732 if (fputs(str, outfp) == EOF)
735 sc_html_parser_destroy(parser);
736 conv_code_converter_destroy(conv);
737 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
741 conv = conv_code_converter_new(src_codeset);
742 parser = ertf_parser_new(tmpfp, conv);
743 while ((str = ertf_parse(parser)) != NULL) {
744 if (fputs(str, outfp) == EOF)
747 ertf_parser_destroy(parser);
748 conv_code_converter_destroy(conv);
749 } else if (mimeinfo->type == MIMETYPE_TEXT) {
750 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
751 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
753 if (fputs(str, outfp) == EOF)
758 if (fputs(buf, outfp) == EOF)
765 g_warning("procmime_get_text_content(): Code conversion failed.\n");
769 claws_unlink(tmpfile);
780 /* search the first text part of (multipart) MIME message,
781 decode, convert it and output to outfp. */
782 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
785 MimeInfo *mimeinfo, *partinfo;
786 gboolean empty_ok = FALSE, short_scan = TRUE;
788 cm_return_val_if_fail(msginfo != NULL, NULL);
790 /* first we try to short-scan (for speed), refusing empty parts */
793 mimeinfo = procmime_scan_message_short(msginfo);
795 mimeinfo = procmime_scan_message(msginfo);
796 if (!mimeinfo) return NULL;
799 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
800 (partinfo->length == 0 && !empty_ok))) {
801 partinfo = procmime_mimeinfo_next(partinfo);
804 outfp = procmime_get_text_content(partinfo);
805 else if (!empty_ok && short_scan) {
806 /* if short scan didn't find a non-empty part, rescan
807 * fully for non-empty parts
810 procmime_mimeinfo_free_all(mimeinfo);
812 } else if (!empty_ok && !short_scan) {
813 /* if full scan didn't find a non-empty part, rescan
814 * accepting empty parts
817 procmime_mimeinfo_free_all(mimeinfo);
820 procmime_mimeinfo_free_all(mimeinfo);
826 static gboolean find_encrypted_func(GNode *node, gpointer data)
828 MimeInfo *mimeinfo = (MimeInfo *) node->data;
829 MimeInfo **encinfo = (MimeInfo **) data;
831 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
839 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
841 MimeInfo *encinfo = NULL;
843 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
844 find_encrypted_func, &encinfo);
849 /* search the first encrypted text part of (multipart) MIME message,
850 decode, convert it and output to outfp. */
851 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
854 MimeInfo *mimeinfo, *partinfo, *encinfo;
856 cm_return_val_if_fail(msginfo != NULL, NULL);
858 mimeinfo = procmime_scan_message(msginfo);
864 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
865 debug_print("decrypting message part\n");
866 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
867 alertpanel_error(_("Couldn't decrypt: %s"),
868 privacy_get_error());
873 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
874 partinfo = procmime_mimeinfo_next(partinfo);
875 if (privacy_mimeinfo_is_signed(partinfo))
876 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
880 outfp = procmime_get_text_content(partinfo);
882 procmime_mimeinfo_free_all(mimeinfo);
887 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
889 MimeInfo *mimeinfo, *partinfo;
890 gboolean result = FALSE;
892 cm_return_val_if_fail(msginfo != NULL, FALSE);
894 mimeinfo = procmime_scan_message(msginfo);
900 result = (find_encrypted_part(partinfo) != NULL);
901 procmime_mimeinfo_free_all(mimeinfo);
906 static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
907 const gchar *str, StrFindFunc find_func)
912 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
913 cm_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
914 cm_return_val_if_fail(str != NULL, FALSE);
915 cm_return_val_if_fail(find_func != NULL, FALSE);
917 outfp = procmime_get_text_content(mimeinfo);
922 while (fgets(buf, sizeof(buf), outfp) != NULL) {
924 if (find_func(buf, str)) {
935 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
936 StrFindFunc find_func)
941 gboolean found = FALSE;
943 cm_return_val_if_fail(msginfo != NULL, FALSE);
944 cm_return_val_if_fail(str != NULL, FALSE);
945 cm_return_val_if_fail(find_func != NULL, FALSE);
947 filename = procmsg_get_message_file(msginfo);
948 if (!filename) return FALSE;
949 mimeinfo = procmime_scan_message(msginfo);
951 for (partinfo = mimeinfo; partinfo != NULL;
952 partinfo = procmime_mimeinfo_next(partinfo)) {
953 if (partinfo->type == MIMETYPE_TEXT) {
954 if (procmime_find_string_part
955 (partinfo, filename, str, find_func) == TRUE) {
962 procmime_mimeinfo_free_all(mimeinfo);
968 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
970 static guint32 id = 0;
975 cm_return_val_if_fail(mimeinfo != NULL, NULL);
977 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
979 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
980 base = g_strdup("mimetmp.html");
982 const gchar *basetmp;
984 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
986 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
989 basetmp = g_path_get_basename(basetmp);
990 if (*basetmp == '\0')
991 basetmp = g_strdup("mimetmp");
992 base = conv_filename_from_utf8(basetmp);
993 g_free((gchar*)basetmp);
994 subst_for_shellsafe_filename(base);
997 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
998 f_prefix, base, NULL);
1005 static GList *mime_type_list = NULL;
1007 gchar *procmime_get_mime_type(const gchar *filename)
1013 static GHashTable *mime_type_table = NULL;
1014 MimeType *mime_type;
1016 if (!mime_type_table) {
1017 mime_type_table = procmime_get_mime_type_table();
1018 if (!mime_type_table) return NULL;
1022 if (filename == NULL)
1025 base = g_path_get_basename(filename);
1026 if ((p = strrchr(base, '.')) != NULL)
1027 ext = g_utf8_strdown(p + 1, -1);
1031 mime_type = g_hash_table_lookup(mime_type_table, ext);
1035 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1037 debug_print("got type %s for %s\n", str, ext);
1043 gchar *str = get_content_type_from_registry_with_ext(ext);
1050 static guint procmime_str_hash(gconstpointer gptr)
1052 guint hash_result = 0;
1055 for (str = gptr; str && *str; str++) {
1056 if (isupper(*str)) hash_result += (*str + ' ');
1057 else hash_result += *str;
1063 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1065 const char *str1 = gptr1;
1066 const char *str2 = gptr2;
1068 return !g_utf8_collate(str1, str2);
1071 static GHashTable *procmime_get_mime_type_table(void)
1073 GHashTable *table = NULL;
1075 MimeType *mime_type;
1078 if (!mime_type_list) {
1079 mime_type_list = procmime_get_mime_type_list();
1080 if (!mime_type_list) return NULL;
1083 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1085 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1089 mime_type = (MimeType *)cur->data;
1091 if (!mime_type->extension) continue;
1093 exts = g_strsplit(mime_type->extension, " ", 16);
1094 for (i = 0; exts[i] != NULL; i++) {
1095 /* use previously dup'd key on overwriting */
1096 if (g_hash_table_lookup(table, exts[i]))
1099 key = g_strdup(exts[i]);
1100 g_hash_table_insert(table, key, mime_type);
1108 GList *procmime_get_mime_type_list(void)
1112 gchar buf[BUFFSIZE];
1115 MimeType *mime_type;
1116 gboolean fp_is_glob_file = TRUE;
1119 return mime_type_list;
1121 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1122 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1124 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1127 fp_is_glob_file = FALSE;
1128 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1129 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1131 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1138 while (fgets(buf, sizeof(buf), fp) != NULL) {
1139 p = strchr(buf, '#');
1145 if (fp_is_glob_file) {
1146 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1148 while (*p && !g_ascii_isspace(*p)) p++;
1155 delim = strchr(buf, '/');
1156 if (delim == NULL) continue;
1159 mime_type = g_new(MimeType, 1);
1160 mime_type->type = g_strdup(buf);
1161 mime_type->sub_type = g_strdup(delim + 1);
1163 if (fp_is_glob_file) {
1164 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1166 while (*p && g_ascii_isspace(*p)) p++;
1170 mime_type->extension = g_utf8_strdown(p, -1);
1172 mime_type->extension = NULL;
1174 list = g_list_append(list, mime_type);
1180 g_warning("Can't read mime.types\n");
1185 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1189 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1190 !g_ascii_strcasecmp(charset, "US-ASCII"))
1192 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1193 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1194 !g_ascii_strcasecmp(charset, "Windows-1251"))
1196 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1197 return ENC_QUOTED_PRINTABLE;
1198 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1199 return ENC_QUOTED_PRINTABLE;
1204 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1207 guchar buf[BUFFSIZE];
1209 size_t octet_chars = 0;
1210 size_t total_len = 0;
1211 gfloat octet_percentage;
1212 gboolean force_b64 = FALSE;
1214 if ((fp = g_fopen(file, "rb")) == NULL) {
1215 FILE_OP_ERROR(file, "fopen");
1219 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1223 for (p = buf, i = 0; i < len; ++p, ++i) {
1237 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1239 octet_percentage = 0.0;
1241 debug_print("procmime_get_encoding_for_text_file(): "
1242 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1243 100.0 * octet_percentage);
1245 if (octet_percentage > 0.20 || force_b64) {
1246 debug_print("using BASE64\n");
1248 } else if (octet_chars > 0) {
1249 debug_print("using quoted-printable\n");
1250 return ENC_QUOTED_PRINTABLE;
1252 debug_print("using 7bit\n");
1257 struct EncodingTable
1260 EncodingType enc_type;
1263 struct EncodingTable encoding_table[] = {
1266 {"binary", ENC_BINARY},
1267 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1268 {"base64", ENC_BASE64},
1269 {"x-uuencode", ENC_UNKNOWN},
1270 {NULL, ENC_UNKNOWN},
1273 const gchar *procmime_get_encoding_str(EncodingType encoding)
1275 struct EncodingTable *enc_table;
1277 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1278 if (enc_table->enc_type == encoding)
1279 return enc_table->str;
1284 /* --- NEW MIME STUFF --- */
1291 static struct TypeTable mime_type_table[] = {
1292 {"text", MIMETYPE_TEXT},
1293 {"image", MIMETYPE_IMAGE},
1294 {"audio", MIMETYPE_AUDIO},
1295 {"video", MIMETYPE_VIDEO},
1296 {"application", MIMETYPE_APPLICATION},
1297 {"message", MIMETYPE_MESSAGE},
1298 {"multipart", MIMETYPE_MULTIPART},
1302 const gchar *procmime_get_media_type_str(MimeMediaType type)
1304 struct TypeTable *type_table;
1306 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1307 if (type_table->type == type)
1308 return type_table->str;
1313 MimeMediaType procmime_get_media_type(const gchar *str)
1315 struct TypeTable *typetablearray;
1317 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1318 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1319 return typetablearray->type;
1321 return MIMETYPE_UNKNOWN;
1325 *\brief Safe wrapper for content type string.
1327 *\return const gchar * Pointer to content type string.
1329 gchar *procmime_get_content_type_str(MimeMediaType type,
1330 const char *subtype)
1332 const gchar *type_str = NULL;
1334 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1335 return g_strdup("unknown");
1336 return g_strdup_printf("%s/%s", type_str, subtype);
1339 static int procmime_parse_mimepart(MimeInfo *parent,
1340 gchar *content_type,
1341 gchar *content_encoding,
1342 gchar *content_description,
1344 gchar *content_disposition,
1345 gchar *content_location,
1346 const gchar *original_msgid,
1347 const gchar *disposition_notification_hdr,
1348 const gchar *filename,
1351 gboolean short_scan);
1353 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1355 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1356 {"Content-Transfer-Encoding:",
1358 {"Content-Description:",
1362 {"Content-Disposition:",
1364 {"Content-Location:",
1368 {"Original-Message-ID:",
1372 {NULL, NULL, FALSE}};
1373 guint content_start, i;
1378 procmime_decode_content(mimeinfo);
1380 fp = g_fopen(mimeinfo->data.filename, "rb");
1382 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1385 fseek(fp, mimeinfo->offset, SEEK_SET);
1386 procheader_get_header_fields(fp, hentry);
1387 if (hentry[0].body != NULL) {
1388 tmp = conv_unmime_header(hentry[0].body, NULL);
1389 g_free(hentry[0].body);
1390 hentry[0].body = tmp;
1392 if (hentry[2].body != NULL) {
1393 tmp = conv_unmime_header(hentry[2].body, NULL);
1394 g_free(hentry[2].body);
1395 hentry[2].body = tmp;
1397 if (hentry[4].body != NULL) {
1398 tmp = conv_unmime_header(hentry[4].body, NULL);
1399 g_free(hentry[4].body);
1400 hentry[4].body = tmp;
1402 if (hentry[5].body != NULL) {
1403 tmp = conv_unmime_header(hentry[5].body, NULL);
1404 g_free(hentry[5].body);
1405 hentry[5].body = tmp;
1407 if (hentry[7].body != NULL) {
1408 tmp = conv_unmime_header(hentry[7].body, NULL);
1409 g_free(hentry[7].body);
1410 hentry[7].body = tmp;
1412 if (hentry[8].body != NULL) {
1413 tmp = conv_unmime_header(hentry[8].body, NULL);
1414 g_free(hentry[8].body);
1415 hentry[8].body = tmp;
1418 content_start = ftell(fp);
1421 len = mimeinfo->length - (content_start - mimeinfo->offset);
1424 procmime_parse_mimepart(mimeinfo,
1425 hentry[0].body, hentry[1].body,
1426 hentry[2].body, hentry[3].body,
1427 hentry[4].body, hentry[5].body,
1428 hentry[7].body, hentry[8].body,
1429 mimeinfo->data.filename, content_start,
1432 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1433 g_free(hentry[i].body);
1434 hentry[i].body = NULL;
1438 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1439 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1440 gboolean short_scan)
1442 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1443 {"Disposition:", NULL, TRUE},
1444 {NULL, NULL, FALSE}};
1447 gchar *orig_msg_id = NULL;
1450 procmime_decode_content(mimeinfo);
1452 debug_print("parse disposition notification\n");
1453 fp = g_fopen(mimeinfo->data.filename, "rb");
1455 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1458 fseek(fp, mimeinfo->offset, SEEK_SET);
1460 if (original_msgid && disposition_notification_hdr) {
1461 hentry[0].body = g_strdup(original_msgid);
1462 hentry[1].body = g_strdup(disposition_notification_hdr);
1464 procheader_get_header_fields(fp, hentry);
1467 if (!hentry[0].body || !hentry[1].body) {
1468 debug_print("MsgId %s, Disp %s\n",
1469 hentry[0].body ? hentry[0].body:"(nil)",
1470 hentry[1].body ? hentry[1].body:"(nil)");
1474 orig_msg_id = g_strdup(hentry[0].body);
1475 disp = g_strdup(hentry[1].body);
1477 extract_parenthesis(orig_msg_id, '<', '>');
1478 remove_space(orig_msg_id);
1480 if (strstr(disp, "displayed")) {
1481 /* find sent message, if possible */
1482 MsgInfo *info = NULL;
1484 debug_print("%s has been displayed.\n", orig_msg_id);
1485 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1486 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1488 debug_print("skipping folder with no outbox...\n");
1491 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1492 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1494 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1495 procmsg_msginfo_free(info);
1499 g_free(orig_msg_id);
1502 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1503 g_free(hentry[i].body);
1504 hentry[i].body = NULL;
1508 #define GET_HEADERS() { \
1509 procheader_get_header_fields(fp, hentry); \
1510 if (hentry[0].body != NULL) { \
1511 tmp = conv_unmime_header(hentry[0].body, NULL); \
1512 g_free(hentry[0].body); \
1513 hentry[0].body = tmp; \
1515 if (hentry[2].body != NULL) { \
1516 tmp = conv_unmime_header(hentry[2].body, NULL); \
1517 g_free(hentry[2].body); \
1518 hentry[2].body = tmp; \
1520 if (hentry[4].body != NULL) { \
1521 tmp = conv_unmime_header(hentry[4].body, NULL); \
1522 g_free(hentry[4].body); \
1523 hentry[4].body = tmp; \
1525 if (hentry[5].body != NULL) { \
1526 tmp = conv_unmime_header(hentry[5].body, NULL); \
1527 g_free(hentry[5].body); \
1528 hentry[5].body = tmp; \
1530 if (hentry[6].body != NULL) { \
1531 tmp = conv_unmime_header(hentry[6].body, NULL); \
1532 g_free(hentry[6].body); \
1533 hentry[6].body = tmp; \
1535 if (hentry[7].body != NULL) { \
1536 tmp = conv_unmime_header(hentry[7].body, NULL); \
1537 g_free(hentry[7].body); \
1538 hentry[7].body = tmp; \
1542 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1544 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1545 {"Content-Transfer-Encoding:",
1547 {"Content-Description:",
1551 {"Content-Disposition:",
1553 {"Content-Location:",
1555 {"Original-Message-ID:",
1559 {NULL, NULL, FALSE}};
1562 gint boundary_len = 0, lastoffset = -1, i;
1563 gchar buf[BUFFSIZE];
1566 gboolean done = FALSE;
1567 gboolean start_found = FALSE;
1568 gboolean end_found = FALSE;
1570 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1573 boundary_len = strlen(boundary);
1575 procmime_decode_content(mimeinfo);
1577 fp = g_fopen(mimeinfo->data.filename, "rb");
1579 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1583 fseek(fp, mimeinfo->offset, SEEK_SET);
1584 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1585 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1588 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1591 if (lastoffset != -1) {
1592 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1595 result = procmime_parse_mimepart(mimeinfo,
1596 hentry[0].body, hentry[1].body,
1597 hentry[2].body, hentry[3].body,
1598 hentry[4].body, hentry[5].body,
1599 hentry[6].body, hentry[7].body,
1600 mimeinfo->data.filename, lastoffset,
1602 if (result == 1 && short_scan) {
1608 if (buf[2 + boundary_len] == '-' &&
1609 buf[2 + boundary_len + 1] == '-') {
1613 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1614 g_free(hentry[i].body);
1615 hentry[i].body = NULL;
1618 lastoffset = ftell(fp);
1622 if (start_found && !end_found && lastoffset != -1) {
1623 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1626 result = procmime_parse_mimepart(mimeinfo,
1627 hentry[0].body, hentry[1].body,
1628 hentry[2].body, hentry[3].body,
1629 hentry[4].body, hentry[5].body,
1630 hentry[6].body, hentry[7].body,
1631 mimeinfo->data.filename, lastoffset,
1634 mimeinfo->broken = TRUE;
1637 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1638 g_free(hentry[i].body);
1639 hentry[i].body = NULL;
1644 static void parse_parameters(const gchar *parameters, GHashTable *table)
1646 gchar *params, *param, *next;
1647 GSList *convlist = NULL, *concatlist = NULL, *cur;
1649 params = g_strdup(parameters);
1652 for (; next != NULL; param = next) {
1653 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1655 gboolean convert = FALSE;
1657 next = strchr_with_skip_quote(param, '"', ';');
1666 value = strchr(attribute, '=');
1672 while (value[0] == ' ')
1675 down_attr = g_utf8_strdown(attribute, -1);
1676 orig_down_attr = down_attr;
1678 len = down_attr ? strlen(down_attr):0;
1679 if (len > 0 && down_attr[len - 1] == '*') {
1680 gchar *srcpos, *dstpos, *endpos;
1683 down_attr[len - 1] = '\0';
1687 endpos = value + strlen(value);
1688 while (srcpos < endpos) {
1694 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1705 if (value[0] == '"')
1706 extract_quote(value, '"');
1707 else if ((tmp = strchr(value, ' ')) != NULL)
1712 while (down_attr[0] == ' ')
1714 while (down_attr[strlen(down_attr)-1] == ' ')
1715 down_attr[strlen(down_attr)-1] = '\0';
1718 while (value[0] == ' ')
1720 while (value[strlen(value)-1] == ' ')
1721 value[strlen(value)-1] = '\0';
1723 if (down_attr && strrchr(down_attr, '*') != NULL) {
1726 tmpattr = g_strdup(down_attr);
1727 tmp = strrchr(tmpattr, '*');
1730 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1731 (g_slist_find_custom(concatlist, down_attr, g_str_equal) == NULL))
1732 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1734 if (convert && (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL))
1735 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1738 } else if (convert) {
1739 if (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL)
1740 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1743 if (g_hash_table_lookup(table, down_attr) == NULL)
1744 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1745 g_free(orig_down_attr);
1748 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1749 gchar *attribute, *attrwnum, *partvalue;
1753 attribute = (gchar *) cur->data;
1754 value = g_string_sized_new(64);
1756 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1757 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1758 g_string_append(value, partvalue);
1760 g_hash_table_remove(table, attrwnum);
1763 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1767 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1768 g_string_free(value, TRUE);
1770 slist_free_strings(concatlist);
1771 g_slist_free(concatlist);
1773 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1774 gchar *attribute, *key, *value;
1775 gchar *charset, *lang, *oldvalue, *newvalue;
1777 attribute = (gchar *) cur->data;
1778 if (!g_hash_table_lookup_extended(
1779 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1783 lang = strchr(charset, '\'');
1788 oldvalue = strchr(lang, '\'');
1789 if (oldvalue == NULL)
1794 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1796 g_hash_table_remove(table, attribute);
1800 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1802 slist_free_strings(convlist);
1803 g_slist_free(convlist);
1808 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1810 cm_return_if_fail(content_type != NULL);
1811 cm_return_if_fail(mimeinfo != NULL);
1813 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1814 * if it's not available we use the default Content-Type */
1815 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1816 mimeinfo->type = MIMETYPE_TEXT;
1817 mimeinfo->subtype = g_strdup("plain");
1818 if (g_hash_table_lookup(mimeinfo->typeparameters,
1819 "charset") == NULL) {
1820 g_hash_table_insert(mimeinfo->typeparameters,
1821 g_strdup("charset"),
1823 conv_get_locale_charset_str_no_utf8()));
1826 gchar *type, *subtype, *params;
1828 type = g_strdup(content_type);
1829 subtype = strchr(type, '/') + 1;
1830 *(subtype - 1) = '\0';
1831 if ((params = strchr(subtype, ';')) != NULL) {
1836 mimeinfo->type = procmime_get_media_type(type);
1837 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1839 /* Get mimeinfo->typeparameters */
1841 parse_parameters(params, mimeinfo->typeparameters);
1847 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1849 gchar *tmp, *params;
1851 cm_return_if_fail(content_disposition != NULL);
1852 cm_return_if_fail(mimeinfo != NULL);
1854 tmp = g_strdup(content_disposition);
1855 if ((params = strchr(tmp, ';')) != NULL) {
1861 if (!g_ascii_strcasecmp(tmp, "inline"))
1862 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1863 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1864 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1866 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1869 parse_parameters(params, mimeinfo->dispositionparameters);
1875 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1877 struct EncodingTable *enc_table;
1879 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1880 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1881 mimeinfo->encoding_type = enc_table->enc_type;
1885 mimeinfo->encoding_type = ENC_UNKNOWN;
1889 static GSList *registered_parsers = NULL;
1891 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1894 for (cur = registered_parsers; cur; cur = cur->next) {
1895 MimeParser *parser = (MimeParser *)cur->data;
1896 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1902 void procmime_mimeparser_register(MimeParser *parser)
1904 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1905 registered_parsers = g_slist_append(registered_parsers, parser);
1909 void procmime_mimeparser_unregister(MimeParser *parser)
1911 registered_parsers = g_slist_remove(registered_parsers, parser);
1914 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1916 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1917 return parser->parse(parser, mimeinfo);
1920 static int procmime_parse_mimepart(MimeInfo *parent,
1921 gchar *content_type,
1922 gchar *content_encoding,
1923 gchar *content_description,
1925 gchar *content_disposition,
1926 gchar *content_location,
1927 const gchar *original_msgid,
1928 const gchar *disposition_notification_hdr,
1929 const gchar *filename,
1932 gboolean short_scan)
1935 MimeParser *parser = NULL;
1936 gboolean parsed = FALSE;
1939 /* Create MimeInfo */
1940 mimeinfo = procmime_mimeinfo_new();
1941 mimeinfo->content = MIMECONTENT_FILE;
1943 if (parent != NULL) {
1944 if (g_node_depth(parent->node) > 32) {
1945 /* 32 is an arbitrary value
1946 * this avoids DOSsing ourselves
1947 * with enormous messages
1949 procmime_mimeinfo_free_all(mimeinfo);
1952 g_node_append(parent->node, mimeinfo->node);
1954 mimeinfo->data.filename = g_strdup(filename);
1955 mimeinfo->offset = offset;
1956 mimeinfo->length = length;
1958 if (content_type != NULL) {
1959 procmime_parse_content_type(content_type, mimeinfo);
1961 mimeinfo->type = MIMETYPE_TEXT;
1962 mimeinfo->subtype = g_strdup("plain");
1963 if (g_hash_table_lookup(mimeinfo->typeparameters,
1964 "charset") == NULL) {
1965 g_hash_table_insert(mimeinfo->typeparameters,
1966 g_strdup("charset"),
1968 conv_get_locale_charset_str_no_utf8()));
1972 if (content_encoding != NULL) {
1973 procmime_parse_content_encoding(content_encoding, mimeinfo);
1975 mimeinfo->encoding_type = ENC_UNKNOWN;
1978 if (content_description != NULL)
1979 mimeinfo->description = g_strdup(content_description);
1981 mimeinfo->description = NULL;
1983 if (content_id != NULL)
1984 mimeinfo->id = g_strdup(content_id);
1986 mimeinfo->id = NULL;
1988 if (content_location != NULL)
1989 mimeinfo->location = g_strdup(content_location);
1991 mimeinfo->location = NULL;
1993 if (content_disposition != NULL)
1994 procmime_parse_content_disposition(content_disposition, mimeinfo);
1996 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1998 /* Call parser for mime type */
1999 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
2000 parsed = procmime_mimeparser_parse(parser, mimeinfo);
2003 switch (mimeinfo->type) {
2005 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
2010 case MIMETYPE_MESSAGE:
2011 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2012 procmime_parse_message_rfc822(mimeinfo, short_scan);
2014 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
2015 procmime_parse_disposition_notification(mimeinfo,
2016 original_msgid, disposition_notification_hdr, short_scan);
2020 case MIMETYPE_MULTIPART:
2021 procmime_parse_multipart(mimeinfo, short_scan);
2024 case MIMETYPE_APPLICATION:
2025 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2026 && original_msgid && *original_msgid
2027 && disposition_notification_hdr && *disposition_notification_hdr) {
2028 procmime_parse_disposition_notification(mimeinfo,
2029 original_msgid, disposition_notification_hdr, short_scan);
2040 static gchar *typenames[] = {
2051 static gboolean output_func(GNode *node, gpointer data)
2054 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2056 depth = g_node_depth(node);
2057 for (i = 0; i < depth; i++)
2059 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2064 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2066 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2069 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2074 g_stat(filename, &buf);
2076 mimeinfo = procmime_mimeinfo_new();
2077 mimeinfo->content = MIMECONTENT_FILE;
2078 mimeinfo->encoding_type = ENC_UNKNOWN;
2079 mimeinfo->type = MIMETYPE_MESSAGE;
2080 mimeinfo->subtype = g_strdup("rfc822");
2081 mimeinfo->data.filename = g_strdup(filename);
2082 mimeinfo->offset = offset;
2083 mimeinfo->length = buf.st_size - offset;
2085 procmime_parse_message_rfc822(mimeinfo, short_scan);
2086 if (debug_get_mode())
2087 output_mime_structure(mimeinfo, 0);
2092 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2096 cm_return_val_if_fail(filename != NULL, NULL);
2098 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2103 MimeInfo *procmime_scan_file(const gchar *filename)
2105 return procmime_scan_file_full(filename, FALSE);
2108 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2110 return procmime_scan_file_full(filename, TRUE);
2113 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2117 gchar buf[BUFFSIZE];
2120 cm_return_val_if_fail(filename != NULL, NULL);
2123 if ((fp = g_fopen(filename, "rb")) == NULL)
2125 /* Skip queue header */
2126 while (fgets(buf, sizeof(buf), fp) != NULL) {
2128 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2129 strlen("X-Claws-End-Special-Headers:"))) ||
2130 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2131 strlen("X-Sylpheed-End-Special-Headers:"))))
2134 if (buf[0] == '\r' || buf[0] == '\n') break;
2135 /* from other mailers */
2136 if (!strncmp(buf, "Date: ", 6)
2137 || !strncmp(buf, "To: ", 4)
2138 || !strncmp(buf, "From: ", 6)
2139 || !strncmp(buf, "Subject: ", 9)) {
2147 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2152 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2154 return procmime_scan_queue_file_full(filename, FALSE);
2157 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2159 return procmime_scan_queue_file_full(filename, TRUE);
2164 ENC_AS_QUOTED_STRING,
2169 typedef struct _ParametersData {
2175 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2178 gchar *val = value, *valpos, *tmp;
2179 ParametersData *pdata = (ParametersData *)user_data;
2180 GString *buf = g_string_new("");
2183 EncodeAs encas = ENC_AS_TOKEN;
2185 for (valpos = val; *valpos != 0; valpos++) {
2186 if (!IS_ASCII(*valpos)) {
2187 encas = ENC_AS_ENCWORD;
2192 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2193 encas = ENC_AS_QUOTED_STRING;
2197 /* tspecials + SPACE */
2215 encas = ENC_AS_QUOTED_STRING;
2222 g_string_append_printf(buf, "%s=%s", param, val);
2225 case ENC_AS_QUOTED_STRING:
2226 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2229 #if 0 /* we don't use that for now */
2230 case ENC_AS_EXTENDED:
2231 if (!g_utf8_validate(val, -1, NULL))
2232 g_string_append_printf(buf, "%s*=%s''", param,
2233 conv_get_locale_charset_str());
2235 g_string_append_printf(buf, "%s*=%s''", param,
2237 for (valpos = val; *valpos != '\0'; valpos++) {
2238 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2239 g_string_append_printf(buf, "%c", *valpos);
2241 gchar hexstr[3] = "XX";
2242 get_hex_str(hexstr, *valpos);
2243 g_string_append_printf(buf, "%%%s", hexstr);
2248 case ENC_AS_ENCWORD:
2249 len = MAX(strlen(val)*6, 512);
2250 tmp = g_malloc(len+1);
2251 codeconv_set_strict(TRUE);
2252 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2253 prefs_common.outgoing_charset);
2254 codeconv_set_strict(FALSE);
2255 if (!tmp || !*tmp) {
2256 codeconv_set_strict(TRUE);
2257 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2258 conv_get_outgoing_charset_str());
2259 codeconv_set_strict(FALSE);
2261 if (!tmp || !*tmp) {
2262 codeconv_set_strict(TRUE);
2263 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2265 codeconv_set_strict(FALSE);
2267 if (!tmp || !*tmp) {
2268 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2271 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2277 if (buf->str && strlen(buf->str)) {
2278 tmp = strstr(buf->str, "\n");
2280 len = (tmp - buf->str);
2282 len = strlen(buf->str);
2283 if (pdata->len + len > 76) {
2284 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2285 pdata->error = TRUE;
2286 pdata->len = strlen(buf->str) + 1;
2288 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2289 pdata->error = TRUE;
2290 pdata->len += strlen(buf->str) + 2;
2293 g_string_free(buf, TRUE);
2296 #define TRY(func) { \
2302 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2304 struct TypeTable *type_table;
2305 ParametersData *pdata = g_new0(ParametersData, 1);
2306 debug_print("procmime_write_mime_header\n");
2309 pdata->error = FALSE;
2310 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2311 if (mimeinfo->type == type_table->type) {
2312 gchar *buf = g_strdup_printf(
2313 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2314 if (fprintf(fp, "%s", buf) < 0) {
2319 pdata->len = strlen(buf);
2323 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2324 if (pdata->error == TRUE) {
2330 TRY(fprintf(fp, "\n") >= 0);
2332 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2333 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2335 if (mimeinfo->description != NULL)
2336 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2338 if (mimeinfo->id != NULL)
2339 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2341 if (mimeinfo->location != NULL)
2342 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2344 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2345 ParametersData *pdata = g_new0(ParametersData, 1);
2347 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2348 buf = g_strdup("Content-Disposition: inline");
2349 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2350 buf = g_strdup("Content-Disposition: attachment");
2352 buf = g_strdup("Content-Disposition: unknown");
2354 if (fprintf(fp, "%s", buf) < 0) {
2359 pdata->len = strlen(buf);
2363 pdata->error = FALSE;
2364 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2365 if (pdata->error == TRUE) {
2370 TRY(fprintf(fp, "\n") >= 0);
2373 TRY(fprintf(fp, "\n") >= 0);
2378 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2383 gchar buf[BUFFSIZE];
2384 gboolean skip = FALSE;;
2387 debug_print("procmime_write_message_rfc822\n");
2390 switch (mimeinfo->content) {
2391 case MIMECONTENT_FILE:
2392 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2393 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2396 fseek(infp, mimeinfo->offset, SEEK_SET);
2397 while (fgets(buf, sizeof(buf), infp) == buf) {
2399 if (buf[0] == '\n' && buf[1] == '\0')
2401 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2403 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2404 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2405 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2406 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2407 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2408 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2409 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2414 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2415 g_warning("failed to dump %zd bytes from file", len);
2424 case MIMECONTENT_MEM:
2425 len = strlen(mimeinfo->data.mem);
2426 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2427 g_warning("failed to dump %zd bytes from mem", len);
2436 childnode = mimeinfo->node->children;
2437 if (childnode == NULL)
2440 child = (MimeInfo *) childnode->data;
2441 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2442 g_warning("failed to write mime version");
2445 if (procmime_write_mime_header(child, fp) < 0)
2447 return procmime_write_mimeinfo(child, fp);
2450 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2454 gchar *boundary, *str, *str2;
2455 gchar buf[BUFFSIZE];
2456 gboolean firstboundary;
2459 debug_print("procmime_write_multipart\n");
2461 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2463 switch (mimeinfo->content) {
2464 case MIMECONTENT_FILE:
2465 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2466 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2469 fseek(infp, mimeinfo->offset, SEEK_SET);
2470 while (fgets(buf, sizeof(buf), infp) == buf) {
2471 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2474 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2475 g_warning("failed to write %zd", len);
2483 case MIMECONTENT_MEM:
2484 str = g_strdup(mimeinfo->data.mem);
2485 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2486 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2489 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2490 g_warning("failed to write %zd from mem", len);
2501 childnode = mimeinfo->node->children;
2502 firstboundary = TRUE;
2503 while (childnode != NULL) {
2504 MimeInfo *child = childnode->data;
2507 firstboundary = FALSE;
2509 TRY(fprintf(fp, "\n") >= 0);
2511 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2513 if (procmime_write_mime_header(child, fp) < 0)
2515 if (procmime_write_mimeinfo(child, fp) < 0)
2518 childnode = g_node_next_sibling(childnode);
2520 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2525 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2529 debug_print("procmime_write_mimeinfo\n");
2531 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2532 switch (mimeinfo->content) {
2533 case MIMECONTENT_FILE:
2534 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2535 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2538 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2542 case MIMECONTENT_MEM:
2543 len = strlen(mimeinfo->data.mem);
2544 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2552 /* Call writer for mime type */
2553 switch (mimeinfo->type) {
2554 case MIMETYPE_MESSAGE:
2555 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2556 return procmime_write_message_rfc822(mimeinfo, fp);
2560 case MIMETYPE_MULTIPART:
2561 return procmime_write_multipart(mimeinfo, fp);
2573 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2577 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2578 base = g_strdup("mimetmp.html");
2580 const gchar *basetmp;
2583 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2584 if (basetmp == NULL)
2585 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2586 if (basetmp == NULL)
2587 basetmp = "mimetmp";
2588 basename = g_path_get_basename(basetmp);
2589 if (*basename == '\0') {
2591 basename = g_strdup("mimetmp");
2593 base = conv_filename_from_utf8(basename);
2595 subst_for_shellsafe_filename(base);