0.8.11claws48
[claws.git] / src / procmime.c
index 503466a4ad60a0f3900e5b7dfd5a5ba467e8334d..24dd3a12894002b17286fc6fd4e3850835776595 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2002 Hiroyuki Yamamoto
+ * Copyright (C) 1999-2003 Hiroyuki Yamamoto
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -33,6 +33,7 @@
 #include "procmime.h"
 #include "procheader.h"
 #include "base64.h"
+#include "quoted-printable.h"
 #include "uuencode.h"
 #include "unmime.h"
 #include "html.h"
@@ -45,7 +46,7 @@
 #  include "rfc2015.h"
 #endif
 
-#include "prefs.h"
+#include "prefs_gtk.h"
 
 static GHashTable *procmime_get_mime_type_table        (void);
 
@@ -60,28 +61,6 @@ MimeInfo *procmime_mimeinfo_new(void)
        return mimeinfo;
 }
 
-void procmime_mimeinfo_free(MimeInfo *mimeinfo)
-{
-       if (!mimeinfo) return;
-
-       g_free(mimeinfo->encoding);
-       g_free(mimeinfo->content_type);
-       g_free(mimeinfo->charset);
-       g_free(mimeinfo->name);
-       g_free(mimeinfo->boundary);
-       g_free(mimeinfo->content_disposition);
-       g_free(mimeinfo->filename);
-#if USE_GPGME
-       g_free(mimeinfo->plaintextfile);
-       g_free(mimeinfo->sigstatus);
-       g_free(mimeinfo->sigstatus_full);
-#endif
-
-       procmime_mimeinfo_free(mimeinfo->sub);
-
-       g_free(mimeinfo);
-}
-
 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
 {
        while (mimeinfo != NULL) {
@@ -271,7 +250,7 @@ void procmime_scan_multipart_message(MimeInfo *mimeinfo, FILE *fp)
                        if (!sub) break;
 
                        sub->level = partinfo->level + 1;
-                       sub->parent = partinfo->parent;
+                       sub->parent = partinfo;
                        sub->main = partinfo;
 
                        if (sub->level < 8) {
@@ -403,7 +382,10 @@ void procmime_scan_content_type(MimeInfo *mimeinfo, const gchar *content_type)
                                Xalloca(tmp, len, return);
                                conv_unmime_header(tmp, len, value, NULL);
                                g_free(mimeinfo->name);
-                               mimeinfo->name = g_strdup(tmp);
+                               /*pgp signatures should NOT have a name */
+                               if (mimeinfo->content_type 
+                               &&  strcasecmp(mimeinfo->content_type, "application/pgp-signature"))
+                                       mimeinfo->name = g_strdup(tmp);
                        } else if (!strcasecmp(attr, "boundary"))
                                mimeinfo->boundary = g_strdup(value);
                }
@@ -467,7 +449,10 @@ void procmime_scan_content_disposition(MimeInfo *mimeinfo,
                                Xalloca(tmp, len, return);
                                conv_unmime_header(tmp, len, value, NULL);
                                g_free(mimeinfo->filename);
-                               mimeinfo->filename = g_strdup(tmp);
+                               /*pgp signatures should NOT have a name */
+                               if (mimeinfo->content_type 
+                               &&  strcasecmp(mimeinfo->content_type, "application/pgp-signature"))
+                                       mimeinfo->filename = g_strdup(tmp);
                                break;
                        }
                }
@@ -480,7 +465,6 @@ void procmime_scan_content_disposition(MimeInfo *mimeinfo,
 void procmime_scan_content_description(MimeInfo *mimeinfo,
                                       const gchar *content_description)
 {
-       gchar *delim, *p, *dispos;
        gchar *buf;
 
        gchar *tmp;
@@ -498,14 +482,15 @@ void procmime_scan_content_description(MimeInfo *mimeinfo,
        blen = strlen(buf) + 1;
        Xalloca(tmp, blen, return);
        conv_unmime_header(tmp, blen, buf, NULL);
-       g_free(mimeinfo->name);
-       mimeinfo->name = g_strdup(tmp);
+       /*pgp signatures should NOT have a name */
+       if (mimeinfo->content_type 
+       &&  strcasecmp(mimeinfo->content_type, "application/pgp-signature"))
+               mimeinfo->description = g_strdup(tmp);
 }
 
 void procmime_scan_subject(MimeInfo *mimeinfo,
                           const gchar *subject)
 {
-       gchar *delim, *p, *dispos;
        gchar *buf;
 
        gchar *tmp;
@@ -582,14 +567,6 @@ MimeInfo *procmime_scan_mime_header(FILE *fp)
                }
        }
 
-       if (mimeinfo->mime_type == MIME_APPLICATION_OCTET_STREAM &&
-           mimeinfo->name) {
-               const gchar *type;
-               type = procmime_get_mime_type(mimeinfo->name);
-               if (type)
-                       mimeinfo->mime_type = procmime_scan_mime_type(type);
-       }
-
        if (!mimeinfo->content_type)
                        mimeinfo->content_type = g_strdup("text/plain");
 
@@ -621,15 +598,12 @@ FILE *procmime_decode_content(FILE *outfp, FILE *infp, MimeInfo *mimeinfo)
        }
 
        if (mimeinfo->encoding_type == ENC_QUOTED_PRINTABLE) {
-               gboolean softline = FALSE;
-
                while (fgets(buf, sizeof(buf), infp) != NULL &&
                       (!boundary ||
                        !IS_BOUNDARY(buf, boundary, boundary_len))) {
-                       guchar *p = buf;
-
-                       softline = DoOneQPLine(&p, FALSE, softline);
-                       fwrite(buf, p - (guchar *)buf, 1, outfp);
+                       gint len;
+                       len = qp_decode_line(buf);
+                       fwrite(buf, len, 1, outfp);
                }
        } else if (mimeinfo->encoding_type == ENC_BASE64) {
                gchar outbuf[BUFFSIZE];
@@ -788,7 +762,6 @@ void renderer_read_config(void)
 
 void renderer_write_config(void)
 {
-       int i;
        gchar * rcpath;
        PrefFile *pfile;
        GList * cur;
@@ -796,7 +769,7 @@ void renderer_write_config(void)
        rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
        
        if ((pfile = prefs_write_open(rcpath)) == NULL) {
-               g_warning(_("failed to write configuration to file\n"));
+               g_warning("failed to write configuration to file\n");
                g_free(rcpath);
                return;
        }
@@ -810,8 +783,8 @@ void renderer_write_config(void)
                        renderer->renderer);
        }
 
-       if (prefs_write_close(pfile) < 0) {
-               g_warning(_("failed to write configuration to file\n"));
+       if (prefs_file_close(pfile) < 0) {
+               g_warning("failed to write configuration to file\n");
                return;
        }
 }
@@ -823,7 +796,6 @@ FILE *procmime_get_text_content(MimeInfo *mimeinfo, FILE *infp)
        gboolean conv_fail = FALSE;
        gchar buf[BUFFSIZE];
        gchar *str;
-       int i;
        struct ContentRenderer * renderer;
        GList * cur;
 
@@ -922,7 +894,7 @@ FILE *procmime_get_text_content(MimeInfo *mimeinfo, FILE *infp)
        }
 
        if (conv_fail)
-               g_warning(_("procmime_get_text_content(): Code conversion failed.\n"));
+               g_warning("procmime_get_text_content(): Code conversion failed.\n");
 
        fclose(tmpfp);
        rewind(outfp);
@@ -1256,21 +1228,66 @@ EncodingType procmime_get_encoding_for_charset(const gchar *charset)
        else if (!strncasecmp(charset, "ISO-2022-", 9) ||
                 !strcasecmp(charset, "US-ASCII"))
                return ENC_7BIT;
+       else if (!strcasecmp(charset, "ISO-8859-5") ||
+                !strncasecmp(charset, "KOI8-", 5) ||
+                !strcasecmp(charset, "Windows-1251"))
+               return ENC_8BIT;
+       else if (!strncasecmp(charset, "ISO-8859-", 9))
+               return ENC_QUOTED_PRINTABLE;
        else
                return ENC_8BIT;
-               /* return ENC_BASE64; */
-               /* return ENC_QUOTED_PRINTABLE; */
 }
 
-const gchar *procmime_get_encoding_str(EncodingType encoding)
+EncodingType procmime_get_encoding_for_file(const gchar *file)
 {
-       static const gchar *encoding_str[] = {
-               "7bit", "8bit", "quoted-printable", "base64", "x-uuencode",
-               NULL
-       };
+       FILE *fp;
+       guchar buf[BUFSIZ];
+       size_t len;
 
-       if (encoding >= ENC_7BIT && encoding <= ENC_UNKNOWN)
-               return encoding_str[encoding];
-       else
-               return NULL;
+       if ((fp = fopen(file, "rb")) == NULL) {
+               FILE_OP_ERROR(file, "fopen");
+               return ENC_UNKNOWN;
+       }
+
+       while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
+               guchar *p;
+               gint i;
+
+               for (p = buf, i = 0; i < len; p++, i++) {
+                       if (*p & 0x80) {
+                               fclose(fp);
+                               return ENC_BASE64;
+                       }
+               }
+       }
+
+       fclose(fp);
+       return ENC_7BIT;
+}
+
+struct EncodingTable 
+{
+       gchar *str;
+       EncodingType enc_type;
+};
+
+struct EncodingTable encoding_table[] = {
+       {"7bit", ENC_7BIT},
+       {"8bit", ENC_8BIT},
+       {"binary", ENC_BINARY},
+       {"quoted-printable", ENC_QUOTED_PRINTABLE},
+       {"base64", ENC_BASE64},
+       {"x-uuencode", ENC_UNKNOWN},
+       {NULL, ENC_UNKNOWN},
+};
+
+const gchar *procmime_get_encoding_str(EncodingType encoding)
+{
+       struct EncodingTable *enc_table;
+       
+       for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
+               if (enc_table->enc_type == encoding)
+                       return enc_table->str;
+       }
+       return NULL;
 }