X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-reply.c;h=671a915589421cf63cac451eaa553202235d6eb9;hp=17eb38d95f92d69531f38cca55a89ca271715ef0;hb=aea35aa5c6ccc9a1490e9ef387f37f5547c88605;hpb=5d447f327f3eb2dcb8e1ccde3ff3f444c2060e64 diff --git a/notmuch-reply.c b/notmuch-reply.c index 17eb38d9..671a9155 100644 --- a/notmuch-reply.c +++ b/notmuch-reply.c @@ -23,27 +23,22 @@ #include "notmuch-client.h" #include "gmime-filter-reply.h" -static const struct { - const char *header; - const char *fallback; - 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 } -}; - static void reply_part_content (GMimeObject *part) { GMimeStream *stream_stdout = NULL, *stream_filter = NULL; GMimeDataWrapper *wrapper; + const char *charset; + charset = g_mime_object_get_content_type_parameter (part, "charset"); stream_stdout = g_mime_stream_file_new (stdout); if (stream_stdout) { g_mime_stream_file_set_owner (GMIME_STREAM_FILE (stream_stdout), FALSE); stream_filter = g_mime_stream_filter_new(stream_stdout); + if (charset) { + g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter), + g_mime_filter_charset_new(charset, "UTF-8")); + } } g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter), g_mime_filter_reply_new(TRUE)); @@ -193,16 +188,110 @@ add_recipients_for_string (GMimeMessage *message, return add_recipients_for_address_list (message, config, type, list); } +/* Some mailing lists munge the Reply-To header despite it being A Bad + * Thing, see http://www.unicom.com/pw/reply-to-harmful.html + * + * This function detects such munging so that reasonable headers can be + * generated anyway. Returns 1 if munged, else 0. + * + * The current logic is fairly naive, Reply-To is diagnosed as munged if + * it contains exactly one address, and this address is also present in + * the To or Cc fields. + */ +static int +mailing_list_munged_reply_to (notmuch_message_t *message) +{ + const char *header, *addr; + InternetAddressList *list; + InternetAddress *address; + InternetAddressMailbox *mailbox; + + header = notmuch_message_get_header (message, "reply-to"); + list = internet_address_list_parse_string (header); + + if (internet_address_list_length (list) != 1) + return 0; + + address = internet_address_list_get_address (list, 0); + if (INTERNET_ADDRESS_IS_GROUP (address)) + return 0; + + mailbox = INTERNET_ADDRESS_MAILBOX (address); + addr = internet_address_mailbox_get_addr (mailbox); + + /* Note that strcasestr() is a GNU extension, strstr() might be sufficient */ + if (strcasestr (notmuch_message_get_header (message, "to"), addr) != 0 || + strcasestr (notmuch_message_get_header (message, "cc"), addr) != 0) + { + return 1; + } + + return 0; +} + +/* Augments the recipients of reply from the headers of message. + * + * If any of the user's addresses were found in these headers, the first + * of these returned, otherwise NULL is returned. + */ +static const char * +add_recipients_from_message (GMimeMessage *reply, + notmuch_config_t *config, + notmuch_message_t *message) +{ + struct { + const char *header; + const char *fallback; + 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 } + }; + const char *from_addr = NULL; + unsigned int i; + + /* When we have detected Reply-To munging, we ignore the Reply-To + * field (because it appears in the To or Cc headers) and use the + * From header so that person will get pinged and will actually + * receive the response if not subscribed to the list. Note that + * under no circumstances does this fail to reply to the address in + * the Reply-To header. + */ + if (mailing_list_munged_reply_to (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 *addr, *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); + + addr = add_recipients_for_string (reply, config, + reply_to_map[i].recipient_type, + recipients); + if (from_addr == NULL) + from_addr = addr; + } + + return from_addr; +} + static int notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_t *query) { GMimeMessage *reply; notmuch_messages_t *messages; notmuch_message_t *message; - const char *subject, *recipients, *from_addr = NULL; + const char *subject, *from_addr = NULL; const char *in_reply_to, *orig_references, *references; char *reply_headers; - unsigned int i; for (messages = notmuch_query_search_messages (query); notmuch_messages_has_more (messages); @@ -223,21 +312,7 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_ subject = talloc_asprintf (ctx, "Re: %s", subject); g_mime_message_set_subject (reply, subject); - for (i = 0; i < ARRAY_SIZE (reply_to_map); i++) { - const char *addr; - - 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); - - addr = add_recipients_for_string (reply, config, - reply_to_map[i].recipient_type, - recipients); - if (from_addr == NULL) - from_addr = addr; - } + from_addr = add_recipients_from_message (reply, config, message); if (from_addr == NULL) from_addr = notmuch_config_get_user_primary_email (config); @@ -283,6 +358,65 @@ notmuch_reply_format_default(void *ctx, notmuch_config_t *config, notmuch_query_ 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_query_t *query) +{ + GMimeMessage *reply; + notmuch_messages_t *messages; + notmuch_message_t *message; + const char *in_reply_to, *orig_references, *references; + char *reply_headers; + + for (messages = notmuch_query_search_messages (query); + notmuch_messages_has_more (messages); + notmuch_messages_advance (messages)) + { + message = notmuch_messages_get (messages); + + /* 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; + } + + 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); + + g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc", + notmuch_config_get_user_primary_email (config)); + + reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply)); + printf ("%s", reply_headers); + free (reply_headers); + + g_object_unref (G_OBJECT (reply)); + reply = NULL; + + notmuch_message_destroy (message); + } + return 0; +} + int notmuch_reply_command (void *ctx, int argc, char *argv[]) { @@ -304,6 +438,8 @@ notmuch_reply_command (void *ctx, int argc, char *argv[]) opt = argv[i] + sizeof ("--format=") - 1; if (strcmp (opt, "default") == 0) { reply_format_func = notmuch_reply_format_default; + } else if (strcmp (opt, "headers-only") == 0) { + reply_format_func = notmuch_reply_format_headers_only; } else { fprintf (stderr, "Invalid value for --format: %s\n", opt); return 1;