]> git.notmuchmail.org Git - notmuch/blobdiff - notmuch-reply.c
cli/reply: return internet address list from get header funcs
[notmuch] / notmuch-reply.c
index 5adbab624ad7a2cbb17a6a7b5a98b8feca8937f7..98034485c546080f48a8c1a9161a584d65fb7412 100644 (file)
@@ -192,6 +192,9 @@ scan_address_list (InternetAddressList *list,
     int i;
     unsigned int n = 0;
 
+    if (list == NULL)
+       return 0;
+
     for (i = 0; i < internet_address_list_length (list); i++) {
        address = internet_address_list_get_address (list, i);
        if (INTERNET_ADDRESS_IS_GROUP (address)) {
@@ -200,9 +203,6 @@ scan_address_list (InternetAddressList *list,
 
            group = INTERNET_ADDRESS_GROUP (address);
            group_list = internet_address_group_get_members (group);
-           if (group_list == NULL)
-               continue;
-
            n += scan_address_list (group_list, config, message, type, user_from);
        } else {
            InternetAddressMailbox *mailbox;
@@ -227,46 +227,17 @@ scan_address_list (InternetAddressList *list,
     return n;
 }
 
-/* Scan addresses in 'recipients'.
- *
- * See the documentation of scan_address_list() above. This function
- * does exactly the same, but converts 'recipients' to an
- * InternetAddressList first.
- */
-static unsigned int
-scan_address_string (const char *recipients,
-                    notmuch_config_t *config,
-                    GMimeMessage *message,
-                    GMimeRecipientType type,
-                    const char **user_from)
-{
-    InternetAddressList *list;
-
-    if (recipients == NULL)
-       return 0;
-
-    list = internet_address_list_parse_string (recipients);
-    if (list == NULL)
-       return 0;
-
-    return scan_address_list (list, config, message, type, user_from);
-}
-
 /* Does the address in the Reply-To header of 'message' already appear
  * in either the 'To' or 'Cc' header of the message?
  */
 static int
-reply_to_header_is_redundant (notmuch_message_t *message)
+reply_to_header_is_redundant (notmuch_message_t *message, const char *reply_to)
 {
-    const char *reply_to, *to, *cc, *addr;
+    const char *to, *cc, *addr;
     InternetAddressList *list;
     InternetAddress *address;
     InternetAddressMailbox *mailbox;
 
-    reply_to = notmuch_message_get_header (message, "reply-to");
-    if (reply_to == NULL || *reply_to == '\0')
-       return 0;
-
     list = internet_address_list_parse_string (reply_to);
 
     if (internet_address_list_length (list) != 1)
@@ -291,6 +262,55 @@ reply_to_header_is_redundant (notmuch_message_t *message)
     return 0;
 }
 
+static InternetAddressList *get_sender(notmuch_message_t *message,
+                                      GMimeMessage *mime_message)
+{
+    const char *reply_to;
+
+    reply_to = g_mime_message_get_reply_to (mime_message);
+    if (reply_to && *reply_to) {
+        /*
+        * Some mailing lists munge the Reply-To header despite it
+        * being A Bad Thing, see
+        * http://marc.merlins.org/netrants/reply-to-harmful.html
+        *
+        * The munging is easy to detect, because it results in a
+        * redundant reply-to header, (with an address that already
+        * exists in either To or Cc). So in this case, we ignore the
+        * Reply-To field and use the From header. This ensures the
+        * original sender will get the reply even if not subscribed
+        * to the list. Note that the address in the Reply-To header
+        * will always appear in the reply if reply_all is true.
+        */
+       if (! reply_to_header_is_redundant (message, reply_to))
+           return internet_address_list_parse_string (reply_to);
+    }
+
+    return internet_address_list_parse_string (
+       g_mime_message_get_sender (mime_message));
+}
+
+static InternetAddressList *get_to(unused(notmuch_message_t *message),
+                                  GMimeMessage *mime_message)
+{
+    return g_mime_message_get_recipients (mime_message,
+                                         GMIME_RECIPIENT_TYPE_TO);
+}
+
+static InternetAddressList *get_cc(unused(notmuch_message_t *message),
+                                  GMimeMessage *mime_message)
+{
+    return g_mime_message_get_recipients (mime_message,
+                                         GMIME_RECIPIENT_TYPE_CC);
+}
+
+static InternetAddressList *get_bcc(unused(notmuch_message_t *message),
+                                   GMimeMessage *mime_message)
+{
+    return g_mime_message_get_recipients (mime_message,
+                                         GMIME_RECIPIENT_TYPE_BCC);
+}
+
 /* Augment the recipients of 'reply' from the "Reply-to:", "From:",
  * "To:", "Cc:", and "Bcc:" headers of 'message'.
  *
@@ -307,49 +327,30 @@ static const char *
 add_recipients_from_message (GMimeMessage *reply,
                             notmuch_config_t *config,
                             notmuch_message_t *message,
+                            GMimeMessage *mime_message,
                             notmuch_bool_t reply_all)
 {
     struct {
-       const char *header;
-       const char *fallback;
+       InternetAddressList * (*get_header)(notmuch_message_t *message,
+                                           GMimeMessage *mime_message);
        GMimeRecipientType recipient_type;
     } reply_to_map[] = {
-       { "reply-to", "from", GMIME_RECIPIENT_TYPE_TO  },
-       { "to",         NULL, GMIME_RECIPIENT_TYPE_TO  },
-       { "cc",         NULL, GMIME_RECIPIENT_TYPE_CC  },
-       { "bcc",        NULL, GMIME_RECIPIENT_TYPE_BCC }
+       { get_sender,   GMIME_RECIPIENT_TYPE_TO },
+       { get_to,       GMIME_RECIPIENT_TYPE_TO },
+       { get_cc,       GMIME_RECIPIENT_TYPE_CC },
+       { get_bcc,      GMIME_RECIPIENT_TYPE_BCC },
     };
     const char *from_addr = NULL;
     unsigned int i;
     unsigned int n = 0;
 
-    /* Some mailing lists munge the Reply-To header despite it being A Bad
-     * Thing, see http://marc.merlins.org/netrants/reply-to-harmful.html
-     *
-     * The munging is easy to detect, because it results in a
-     * redundant reply-to header, (with an address that already exists
-     * in either To or Cc). So in this case, we ignore the Reply-To
-     * field and use the From header. This ensures the original sender
-     * will get the reply even if not subscribed to the list. Note
-     * that the address in the Reply-To header will always appear in
-     * the reply if reply_all is true.
-     */
-    if (reply_to_header_is_redundant (message)) {
-       reply_to_map[0].header = "from";
-       reply_to_map[0].fallback = NULL;
-    }
-
     for (i = 0; i < ARRAY_SIZE (reply_to_map); i++) {
-       const char *recipients;
+       InternetAddressList *recipients;
 
-       recipients = notmuch_message_get_header (message,
-                                                reply_to_map[i].header);
-       if ((recipients == NULL || recipients[0] == '\0') && reply_to_map[i].fallback)
-           recipients = notmuch_message_get_header (message,
-                                                    reply_to_map[i].fallback);
+       recipients = reply_to_map[i].get_header (message, mime_message);
 
-       n += scan_address_string (recipients, config, reply,
-                                 reply_to_map[i].recipient_type, &from_addr);
+       n += scan_address_list (recipients, config, reply,
+                               reply_to_map[i].recipient_type, &from_addr);
 
        if (!reply_all && n) {
            /* Stop adding new recipients in reply-to-sender mode if
@@ -520,27 +521,43 @@ static GMimeMessage *
 create_reply_message(void *ctx,
                     notmuch_config_t *config,
                     notmuch_message_t *message,
-                    notmuch_bool_t reply_all)
+                    GMimeMessage *mime_message,
+                    notmuch_bool_t reply_all,
+                    notmuch_bool_t limited)
 {
     const char *subject, *from_addr = NULL;
     const char *in_reply_to, *orig_references, *references;
 
-    /* The 1 means we want headers in a "pretty" order. */
-    GMimeMessage *reply = g_mime_message_new (1);
+    /*
+     * Use the below header order for limited headers, "pretty" order
+     * otherwise.
+     */
+    GMimeMessage *reply = g_mime_message_new (limited ? 0 : 1);
     if (reply == NULL) {
        fprintf (stderr, "Out of memory\n");
        return NULL;
     }
 
-    subject = notmuch_message_get_header (message, "subject");
-    if (subject) {
-       if (strncasecmp (subject, "Re:", 3))
-           subject = talloc_asprintf (ctx, "Re: %s", subject);
-       g_mime_message_set_subject (reply, subject);
-    }
+    in_reply_to = talloc_asprintf (ctx, "<%s>",
+                                  notmuch_message_get_message_id (message));
+
+    g_mime_object_set_header (GMIME_OBJECT (reply), "In-Reply-To", in_reply_to);
+
+    orig_references = notmuch_message_get_header (message, "references");
+    if (orig_references && *orig_references)
+       references = talloc_asprintf (ctx, "%s %s", orig_references,
+                                     in_reply_to);
+    else
+       references = talloc_strdup (ctx, in_reply_to);
+
+    g_mime_object_set_header (GMIME_OBJECT (reply), "References", references);
 
-    from_addr = add_recipients_from_message (reply, config,
-                                            message, reply_all);
+    from_addr = add_recipients_from_message (reply, config, message,
+                                            mime_message, reply_all);
+
+    /* The above is all that is needed for limited headers. */
+    if (limited)
+       return reply;
 
     /*
      * Sadly, there is no standard way to find out to which email
@@ -572,135 +589,16 @@ create_reply_message(void *ctx,
     from_addr = talloc_asprintf (ctx, "%s <%s>",
                                 notmuch_config_get_user_name (config),
                                 from_addr);
-    g_mime_object_set_header (GMIME_OBJECT (reply),
-                             "From", from_addr);
-
-    in_reply_to = talloc_asprintf (ctx, "<%s>",
-                                  notmuch_message_get_message_id (message));
-
-    g_mime_object_set_header (GMIME_OBJECT (reply),
-                             "In-Reply-To", in_reply_to);
-
-    orig_references = notmuch_message_get_header (message, "references");
-    if (!orig_references)
-       /* Treat errors like missing References headers. */
-       orig_references = "";
-    references = talloc_asprintf (ctx, "%s%s%s",
-                                 *orig_references ? orig_references : "",
-                                 *orig_references ? " " : "",
-                                 in_reply_to);
-    g_mime_object_set_header (GMIME_OBJECT (reply),
-                             "References", references);
+    g_mime_object_set_header (GMIME_OBJECT (reply), "From", from_addr);
 
-    return reply;
-}
-
-static int
-notmuch_reply_format_default(void *ctx,
-                            notmuch_config_t *config,
-                            notmuch_message_t *message,
-                            notmuch_show_params_t *params,
-                            notmuch_bool_t reply_all,
-                            unused (sprinter_t *sp))
-{
-    GMimeMessage *reply;
-    mime_node_t *root;
-
-    reply = create_reply_message (ctx, config, message, reply_all);
-    if (!reply)
-       return 1;
-
-    show_reply_headers (reply);
-
-    g_object_unref (G_OBJECT (reply));
-
-    if (mime_node_open (ctx, message, &params->crypto, &root) == NOTMUCH_STATUS_SUCCESS) {
-       format_part_reply (root);
-       talloc_free (root);
-    }
-
-    return 0;
-}
-
-static int
-notmuch_reply_format_sprinter(void *ctx,
-                             notmuch_config_t *config,
-                             notmuch_message_t *message,
-                             notmuch_show_params_t *params,
-                             notmuch_bool_t reply_all,
-                             sprinter_t *sp)
-{
-    GMimeMessage *reply;
-    mime_node_t *node;
-
-    if (mime_node_open (ctx, message, &params->crypto, &node) != NOTMUCH_STATUS_SUCCESS)
-       return 1;
-
-    reply = create_reply_message (ctx, config, message, reply_all);
-    if (!reply)
-       return 1;
-
-    sp->begin_map (sp);
-
-    /* The headers of the reply message we've created */
-    sp->map_key (sp, "reply-headers");
-    format_headers_sprinter (sp, reply, TRUE);
-    g_object_unref (G_OBJECT (reply));
-
-    /* Start the original */
-    sp->map_key (sp, "original");
-    format_part_sprinter (ctx, sp, node, TRUE, TRUE, FALSE);
-
-    /* End */
-    sp->end (sp);
-
-    return 0;
-}
-
-/* This format is currently tuned for a git send-email --notmuch hook */
-static int
-notmuch_reply_format_headers_only(void *ctx,
-                                 notmuch_config_t *config,
-                                 notmuch_message_t *message,
-                                 unused (notmuch_show_params_t *params),
-                                 notmuch_bool_t reply_all,
-                                 unused (sprinter_t *sp))
-{
-    GMimeMessage *reply;
-    const char *in_reply_to, *orig_references, *references;
-
-    /* The 0 means we do not want headers in a "pretty" order. */
-    reply = g_mime_message_new (0);
-    if (reply == NULL) {
-       fprintf (stderr, "Out of memory\n");
-       return 1;
+    subject = notmuch_message_get_header (message, "subject");
+    if (subject) {
+       if (strncasecmp (subject, "Re:", 3))
+           subject = talloc_asprintf (ctx, "Re: %s", subject);
+       g_mime_message_set_subject (reply, subject);
     }
 
-    in_reply_to = talloc_asprintf (ctx, "<%s>",
-                                  notmuch_message_get_message_id (message));
-
-    g_mime_object_set_header (GMIME_OBJECT (reply), "In-Reply-To", in_reply_to);
-
-    orig_references = notmuch_message_get_header (message, "references");
-
-    /*
-     * We print In-Reply-To followed by References because git
-     * format-patch treats them specially. Git does not interpret the
-     * other headers specially.
-     */
-    references = talloc_asprintf (ctx, "%s%s%s",
-                                 orig_references ? orig_references : "",
-                                 orig_references ? " " : "",
-                                 in_reply_to);
-    g_mime_object_set_header (GMIME_OBJECT (reply), "References", references);
-
-    (void)add_recipients_from_message (reply, config, message, reply_all);
-
-    show_reply_headers (reply);
-
-    g_object_unref (G_OBJECT (reply));
-
-    return 0;
+    return reply;
 }
 
 enum {
@@ -716,17 +614,12 @@ static int do_reply(notmuch_config_t *config,
                    int format,
                    notmuch_bool_t reply_all)
 {
+    GMimeMessage *reply;
+    mime_node_t *node;
     notmuch_messages_t *messages;
     notmuch_message_t *message;
     notmuch_status_t status;
     struct sprinter *sp = NULL;
-    int ret = 0;
-    int (*reply_format_func) (void *ctx,
-                             notmuch_config_t *config,
-                             notmuch_message_t *message,
-                             notmuch_show_params_t *params,
-                             notmuch_bool_t reply_all,
-                             struct sprinter *sp);
 
     if (format == FORMAT_JSON || format == FORMAT_SEXP) {
        unsigned count;
@@ -739,18 +632,11 @@ static int do_reply(notmuch_config_t *config,
            fprintf (stderr, "Error: search term did not match precisely one message (matched %d messages).\n", count);
            return 1;
        }
-    }
 
-    if (format == FORMAT_HEADERS_ONLY) {
-       reply_format_func = notmuch_reply_format_headers_only;
-    } else if (format == FORMAT_JSON) {
-       reply_format_func = notmuch_reply_format_sprinter;
-       sp = sprinter_json_create (config, stdout);
-    } else if (format == FORMAT_SEXP) {
-       reply_format_func = notmuch_reply_format_sprinter;
-       sp = sprinter_sexp_create (config, stdout);
-    } else {
-       reply_format_func = notmuch_reply_format_default;
+       if (format == FORMAT_JSON)
+           sp = sprinter_json_create (config, stdout);
+       else
+           sp = sprinter_sexp_create (config, stdout);
     }
 
     status = notmuch_query_search_messages_st (query, &messages);
@@ -763,15 +649,41 @@ static int do_reply(notmuch_config_t *config,
     {
        message = notmuch_messages_get (messages);
 
-       ret = reply_format_func(config, config, message, params, reply_all, sp);
+       if (mime_node_open (config, message, &params->crypto, &node))
+           return 1;
 
-       notmuch_message_destroy (message);
+       reply = create_reply_message (config, config, message,
+                                     GMIME_MESSAGE (node->part), reply_all,
+                                     format == FORMAT_HEADERS_ONLY);
+       if (!reply)
+           return 1;
 
-       if (ret)
-           break;
+       if (format == FORMAT_JSON || format == FORMAT_SEXP) {
+           sp->begin_map (sp);
+
+           /* The headers of the reply message we've created */
+           sp->map_key (sp, "reply-headers");
+           format_headers_sprinter (sp, reply, TRUE);
+
+           /* Start the original */
+           sp->map_key (sp, "original");
+           format_part_sprinter (config, sp, node, TRUE, TRUE, FALSE);
+
+           /* End */
+           sp->end (sp);
+       } else {
+           show_reply_headers (reply);
+           if (format == FORMAT_DEFAULT)
+               format_part_reply (node);
+       }
+
+       g_object_unref (G_OBJECT (reply));
+       talloc_free (node);
+
+       notmuch_message_destroy (message);
     }
 
-    return ret;
+    return 0;
 }
 
 int