Modified webpage: now tinymail repository is in gitorious.
[modest] / src / modest-tny-msg.c
index e76be4d..b41d390 100644 (file)
@@ -58,13 +58,30 @@ static void add_images (TnyMsg *msg, GList *attachments_list, GError **err);
 static char * get_content_type(const gchar *s);
 static gboolean is_ascii(const gchar *s);
 
+static TnyMimePart* modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_html);
+static TnyMimePart* modest_tny_msg_find_calendar_from_mime_part  (TnyMimePart *msg);
+
+static void
+add_header_pairs (TnyMimePart *part, TnyList *header_pairs)
+{
+       TnyIterator *iterator;
+
+       iterator = tny_list_create_iterator (header_pairs);
+       while (!tny_iterator_is_done (iterator)) {
+               TnyPair *current = (TnyPair *) tny_iterator_get_current (iterator);
+               tny_mime_part_set_header_pair (part, tny_pair_get_name (current), tny_pair_get_value (current));
+               g_object_unref (current);
+               tny_iterator_next (iterator);
+       }
+       g_object_unref (iterator);
+}
 
 TnyMsg*
 modest_tny_msg_new (const gchar* mailto, const gchar* from, const gchar *cc,
                    const gchar *bcc, const gchar* subject,
                    const gchar *references, const gchar *in_reply_to,
                    const gchar *body,
-                   GList *attachments, gint *attached, GError **err)
+                   GList *attachments, gint *attached, TnyList *header_pairs, GError **err)
 {
        TnyMsg *new_msg;
        TnyHeader *header;
@@ -73,6 +90,7 @@ modest_tny_msg_new (const gchar* mailto, const gchar* from, const gchar *cc,
 
        /* Create new msg */
        new_msg = modest_formatter_create_message (NULL, TRUE, (attachments != NULL), FALSE);
+       add_header_pairs (TNY_MIME_PART (new_msg), header_pairs);
        header  = tny_msg_get_header (new_msg);
 
        if ((from != NULL) && (strlen(from) > 0)) {
@@ -128,7 +146,7 @@ modest_tny_msg_new_html_plain (const gchar* mailto, const gchar* from, const gch
                               const gchar *bcc, const gchar* subject, 
                               const gchar *references, const gchar *in_reply_to,
                               const gchar *html_body, const gchar *plain_body,
-                              GList *attachments, GList *images, gint *attached, GError **err)
+                              GList *attachments, GList *images, gint *attached, TnyList *header_pairs, GError **err)
 {
        TnyMsg *new_msg;
        TnyHeader *header;
@@ -137,6 +155,7 @@ modest_tny_msg_new_html_plain (const gchar* mailto, const gchar* from, const gch
        
        /* Create new msg */
        new_msg = modest_formatter_create_message (NULL, FALSE, (attachments != NULL), (images != NULL));
+       add_header_pairs (TNY_MIME_PART (new_msg), header_pairs);
        header  = tny_msg_get_header (new_msg);
        
        if ((from != NULL) && (strlen(from) > 0)) {
@@ -224,7 +243,7 @@ add_html_body_part (TnyMsg *msg,
 
        /* Create the stream */
        html_body_stream = TNY_STREAM (tny_camel_mem_stream_new_with_buffer
-                                       (body, strlen(body)));
+                                      (body, (body) ? strlen(body) : 0));
 
        /* Create body part if needed */
        html_body_part = modest_formatter_create_body_part (NULL, msg);
@@ -457,14 +476,14 @@ modest_tny_msg_find_body_part_in_alternative (TnyMimePart *msg, gboolean want_ht
 {
        TnyList *parts;
        TnyIterator *iter;
-       TnyMimePart *part = NULL;
+       TnyMimePart *part = NULL, *related = NULL;
        TnyMimePart *first_part = NULL;
        const gchar *desired_mime_type = want_html ? "text/html" : "text/plain";
 
        parts = TNY_LIST (tny_simple_list_new());
        tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 
-       for (iter  = tny_list_create_iterator(parts); 
+       for (iter  = tny_list_create_iterator(parts);
             !tny_iterator_is_done (iter);
             tny_iterator_next (iter)) {
                gchar *content_type;
@@ -483,6 +502,16 @@ modest_tny_msg_find_body_part_in_alternative (TnyMimePart *msg, gboolean want_ht
                if (is_body)
                        break;
 
+               /* Makes no sense to look for related MIME parts if we
+                  only want the plain text parts */
+               if (want_html && g_str_has_prefix (content_type, "multipart/related")) {
+                       /* In an alternative the last part is supposed
+                          to be the richest */
+                       if (related)
+                               g_object_unref (related);
+                       related = g_object_ref (part);
+               }
+
                g_object_unref (part);
                part = NULL;
 
@@ -491,14 +520,26 @@ modest_tny_msg_find_body_part_in_alternative (TnyMimePart *msg, gboolean want_ht
        g_object_unref (parts);
 
        if (part == NULL) {
-               return first_part;
+               if (related) {
+                       TnyMimePart *retval;
+                       if (first_part)
+                               g_object_unref (first_part);
+                       retval = modest_tny_msg_find_body_part_from_mime_part (related, want_html);
+                       g_object_unref (related);
+                       return retval;
+               } else {
+                       return first_part;
+               }
        } else {
-               if (first_part) g_object_unref (first_part);
+               if (first_part)
+                       g_object_unref (first_part);
+               if (related)
+                       g_object_unref (related);
                return part;
        }
 }
 
-TnyMimePart*
+static TnyMimePart*
 modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_html)
 {
        TnyMimePart *part = NULL;
@@ -506,7 +547,8 @@ modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_ht
        TnyIterator *iter = NULL;
        gchar *header_content_type;
        gchar *header_content_type_lower = NULL;
-       
+       gboolean is_related = FALSE;
+
        if (!msg)
                return NULL;
 
@@ -517,46 +559,48 @@ modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_ht
                header_content_type = g_strstrip (header_content_type);
                header_content_type_lower = g_ascii_strdown (header_content_type, -1);
        }
-       if (header_content_type_lower && 
+       if (header_content_type_lower &&
            g_str_has_prefix (header_content_type_lower, "multipart/") &&
            !g_str_has_prefix (header_content_type_lower, "multipart/signed") &&
            strstr (header_content_type_lower, "application/")) {
                g_free (header_content_type_lower);
                g_free (header_content_type);
                return NULL;
-       }       
+       }
        if (header_content_type_lower && 
            g_str_has_prefix (header_content_type_lower, "multipart/alternative")) {
                g_free (header_content_type_lower);
                g_free (header_content_type);
                return modest_tny_msg_find_body_part_in_alternative (msg, want_html);
-       }       
+       }
+
+       if (header_content_type_lower &&
+           g_str_has_prefix (header_content_type_lower, "multipart/related"))
+               is_related = TRUE;
+
        g_free (header_content_type_lower);
        g_free (header_content_type);
 
        parts = TNY_LIST (tny_simple_list_new());
        tny_mime_part_get_parts (TNY_MIME_PART (msg), parts);
 
-       iter  = tny_list_create_iterator(parts);
-
        /* no parts? assume it's single-part message */
+       iter  = tny_list_create_iterator (parts);
        if (tny_iterator_is_done(iter)) {
                gchar *content_type;
                gboolean is_text_part;
-               g_object_unref (G_OBJECT(iter));
+
                content_type = modest_tny_mime_part_get_content_type (msg);
                if (content_type == NULL)
-                       return NULL;
-               is_text_part = 
-                       g_str_has_prefix (content_type, "text/");
+                       goto frees;
+               is_text_part = g_str_has_prefix (content_type, "text/");
                g_free (content_type);
+
                /* if this part cannot be a supported body return NULL */
-               if (!is_text_part) {
-                       return NULL;
-               } else {
-                       return TNY_MIME_PART (g_object_ref(G_OBJECT(msg)));
-               }
+               if (is_text_part)
+                       part = TNY_MIME_PART (g_object_ref(G_OBJECT(msg)));
        } else {
+               TnyMimePart *fallback = NULL;
                do {
                        gchar *tmp, *content_type = NULL;
                        gboolean has_content_disp_name = FALSE;
@@ -581,11 +625,11 @@ modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_ht
                         * tny_mime_part_has_content_type does not do it...
                         */
                        content_type = g_ascii_strdown (tny_mime_part_get_content_type (part), -1);
-                       
+
                        /* mime-parts with a content-disposition header (either 'inline' or 'attachment')
                         * and a 'name=' thingy cannot be body parts
                          */
-                               
+
                        tmp = modest_tny_mime_part_get_header_value (part, "Content-Disposition");
                        if (tmp) {
                                gchar *content_disp = g_ascii_strdown(tmp, -1);
@@ -593,15 +637,21 @@ modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_ht
                                has_content_disp_name = g_strstr_len (content_disp, strlen(content_disp), "name=") != NULL;
                                g_free (content_disp);
                        }
-                       
-                       if (g_str_has_prefix (content_type, "text/") && 
+
+                       if (g_str_has_prefix (content_type, "text/") &&
                            !has_content_disp_name &&
                            !modest_tny_mime_part_is_attachment_for_modest (part)) {
-                               /* we found the body. Doesn't have to be the desired mime part, first
-                                  text/ part in a mixed is the body */
-                               g_free (content_type);
-                               break;
-
+                               /* We found that some multipart/related emails include
+                                  empty text/plain parts at the end that could confuse the body
+                                  detection algorithm */
+                               if (is_related && g_str_has_prefix (content_type, "text/plain")) {
+                                       fallback = g_object_ref (part);
+                               } else {
+                                       /* we found the body. Doesn't have to be the desired mime part, first
+                                          text/ part in a multipart/mixed is the body */
+                                       g_free (content_type);
+                                       break;
+                               }
                        } else if (g_str_has_prefix(content_type, "multipart/alternative")) {
 
                                /* multipart? recurse! */
@@ -619,24 +669,29 @@ modest_tny_msg_find_body_part_from_mime_part (TnyMimePart *msg, gboolean want_ht
                                part = modest_tny_msg_find_body_part_from_mime_part (part, want_html);
                                if (part)
                                        break;
-                       } else
+                       } else {
                                g_free (content_type);
-                       
+                       }
+
                        if (part) {
                                g_object_unref (G_OBJECT(part));
                                part = NULL;
                        }
-                       
                        tny_iterator_next (iter);
-                       
+
                } while (!tny_iterator_is_done(iter));
+
+               if (!part && fallback)
+                       part = g_object_ref (fallback);
+               if (fallback)
+                       g_object_unref (fallback);
        }
-       
+
+ frees:
        g_object_unref (G_OBJECT(iter));
        g_object_unref (G_OBJECT(parts));
 
-       return part; /* this maybe NULL, this is not an error; some message just don't have a body
-                     * part */
+       return part;
 }
 
 static TnyMimePart*