#include "notmuch-client.h"
#include "gmime-filter-reply.h"
+#include "gmime-filter-headers.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 (GMimeObject *part,
+ unused (int *part_count),
+ unused (int first));
+
+static const notmuch_show_format_t format_reply = {
+ NULL,
+ NULL, NULL,
+ NULL, NULL, NULL,
+ NULL, reply_part, NULL, NULL,
+ NULL, NULL,
+ NULL
};
static void
{
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));
}
static void
-reply_part (GMimeObject *part, int *part_count)
+show_reply_headers (GMimeMessage *message)
+{
+ GMimeStream *stream_stdout = NULL, *stream_filter = NULL;
+
+ 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 (stream_filter) {
+ g_mime_stream_filter_add(GMIME_STREAM_FILTER(stream_filter),
+ g_mime_filter_headers_new());
+ g_mime_object_write_to_stream(GMIME_OBJECT(message), stream_filter);
+ g_object_unref(stream_filter);
+ }
+ g_object_unref(stream_stdout);
+ }
+}
+
+static void
+reply_part (GMimeObject *part,
+ unused (int *part_count),
+ unused (int first))
{
GMimeContentDisposition *disposition;
GMimeContentType *content_type;
- (void) part_count;
disposition = g_mime_object_get_content_disposition (part);
if (disposition &&
strcmp (disposition->disposition, GMIME_DISPOSITION_ATTACHMENT) == 0)
address_is_users (const char *address, notmuch_config_t *config)
{
const char *primary;
- char **other;
+ const char **other;
size_t i, other_len;
primary = notmuch_config_get_user_primary_email (config);
{
InternetAddressList *list;
+ if (recipients == NULL)
+ return NULL;
+
list = internet_address_list_parse_string (recipients);
if (list == NULL)
return NULL;
return add_recipients_for_address_list (message, config, type, list);
}
+/* 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)
+{
+ const char *reply_to, *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)
+ 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);
+
+ to = notmuch_message_get_header (message, "to");
+ cc = notmuch_message_get_header (message, "cc");
+
+ if ((to && strstr (to, addr) != 0) ||
+ (cc && strstr (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;
+
+ /* Some mailing lists munge the Reply-To header despite it being A Bad
+ * Thing, see http://www.unicom.com/pw/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. Thie 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_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 *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 const char *
+guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message)
+{
+ const char *received,*primary,*by;
+ const char **other;
+ char *tohdr;
+ char *mta,*ptr,*token;
+ char *domain=NULL;
+ char *tld=NULL;
+ const char *delim=". \t";
+ size_t i,j,other_len;
+
+ const char *to_headers[] = {"Envelope-to", "X-Original-To"};
+
+ primary = notmuch_config_get_user_primary_email (config);
+ other = notmuch_config_get_user_other_email (config, &other_len);
+
+ /* sadly, there is no standard way to find out to which email
+ * address a mail was delivered - what is in the headers depends
+ * on the MTAs used along the way. So we are trying a number of
+ * heuristics which hopefully will answer this question.
+
+ * We only got here if none of the users email addresses are in
+ * the To: or Cc: header. From here we try the following in order:
+ * 1) check for an Envelope-to: header
+ * 2) check for an X-Original-To: header
+ * 3) check for a (for <email@add.res>) clause in Received: headers
+ * 4) check for the domain part of known email addresses in the
+ * 'by' part of Received headers
+ * If none of these work, we give up and return NULL
+ */
+ for (i = 0; i < sizeof(to_headers)/sizeof(*to_headers); i++) {
+ tohdr = xstrdup(notmuch_message_get_header (message, to_headers[i]));
+ if (tohdr && *tohdr) {
+ /* tohdr is potentialy a list of email addresses, so here we
+ * check if one of the email addresses is a substring of tohdr
+ */
+ if (strcasestr(tohdr, primary)) {
+ free(tohdr);
+ return primary;
+ }
+ for (j = 0; j < other_len; j++)
+ if (strcasestr (tohdr, other[j])) {
+ free(tohdr);
+ return other[j];
+ }
+ free(tohdr);
+ }
+ }
+
+ /* We get the concatenated Received: headers and search from the
+ * front (last Received: header added) and try to extract from
+ * them indications to which email address this message was
+ * delivered.
+ * The Received: header is special in our get_header function
+ * and is always concated.
+ */
+ received = notmuch_message_get_header (message, "received");
+ if (received == NULL)
+ return NULL;
+
+ /* First we look for a " for <email@add.res>" in the received
+ * header
+ */
+ ptr = strstr (received, " for ");
+ if (ptr) {
+ /* the text following is potentialy a list of email addresses,
+ * so again we check if one of the email addresses is a
+ * substring of ptr
+ */
+ if (strcasestr(ptr, primary)) {
+ return primary;
+ }
+ for (i = 0; i < other_len; i++)
+ if (strcasestr (ptr, other[i])) {
+ return other[i];
+ }
+ }
+ /* Finally, we parse all the " by MTA ..." headers to guess the
+ * email address that this was originally delivered to.
+ * We extract just the MTA here by removing leading whitespace and
+ * assuming that the MTA name ends at the next whitespace.
+ * We test for *(by+4) to be non-'\0' to make sure there's
+ * something there at all - and then assume that the first
+ * whitespace delimited token that follows is the receiving
+ * system in this step of the receive chain
+ */
+ by = received;
+ while((by = strstr (by, " by ")) != NULL) {
+ by += 4;
+ if (*by == '\0')
+ break;
+ mta = xstrdup (by);
+ token = strtok(mta," \t");
+ if (token == NULL)
+ break;
+ /* Now extract the last two components of the MTA host name
+ * as domain and tld.
+ */
+ while ((ptr = strsep (&token, delim)) != NULL) {
+ if (*ptr == '\0')
+ continue;
+ domain = tld;
+ tld = ptr;
+ }
+
+ if (domain) {
+ /* Recombine domain and tld and look for it among the configured
+ * email addresses.
+ * This time we have a known domain name and nothing else - so
+ * the test is the other way around: we check if this is a
+ * substring of one of the email addresses.
+ */
+ *(tld-1) = '.';
+
+ if (strcasestr(primary, domain)) {
+ free(mta);
+ return primary;
+ }
+ for (i = 0; i < other_len; i++)
+ if (strcasestr (other[i],domain)) {
+ free(mta);
+ return other[i];
+ }
+ }
+ free (mta);
+ }
+
+ return NULL;
+}
+
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;
+ const notmuch_show_format_t *format = &format_reply;
for (messages = notmuch_query_search_messages (query);
- notmuch_messages_has_more (messages);
- notmuch_messages_advance (messages))
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages))
{
message = notmuch_messages_get (messages);
}
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);
+ }
- if (strncasecmp (subject, "Re:", 3))
- 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;
+ from_addr = add_recipients_from_message (reply, config, message);
- 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;
- }
+ if (from_addr == NULL)
+ from_addr = guess_from_received_header (config, message);
if (from_addr == NULL)
from_addr = notmuch_config_get_user_primary_email (config);
g_mime_object_set_header (GMIME_OBJECT (reply),
"From", from_addr);
- g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc",
- notmuch_config_get_user_primary_email (config));
-
in_reply_to = talloc_asprintf (ctx, "<%s>",
notmuch_message_get_message_id (message));
g_mime_object_set_header (GMIME_OBJECT (reply),
"References", references);
- reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
- printf ("%s", reply_headers);
- free (reply_headers);
+ show_reply_headers (reply);
g_object_unref (G_OBJECT (reply));
reply = NULL;
notmuch_message_get_header (message, "date"),
notmuch_message_get_header (message, "from"));
- show_message_body (notmuch_message_get_filename (message), reply_part);
+ show_message_body (notmuch_message_get_filename (message),
+ format);
notmuch_message_destroy (message);
}
GMimeMessage *reply;
notmuch_messages_t *messages;
notmuch_message_t *message;
- const char *recipients, *in_reply_to, *orig_references, *references;
+ 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);
- notmuch_messages_advance (messages))
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages))
{
message = notmuch_messages_get (messages);
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 References first because git format-patch treats it specially.
- * Git uses the first entry of References to create In-Reply-To.
+ /* 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",
- in_reply_to,
orig_references ? orig_references : "",
- orig_references ? " " : "");
+ orig_references ? " " : "",
+ in_reply_to);
g_mime_object_set_header (GMIME_OBJECT (reply),
"References", references);
- 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);
- }
-
- g_mime_object_set_header (GMIME_OBJECT (reply), "Bcc",
- notmuch_config_get_user_primary_email (config));
+ (void)add_recipients_from_message (reply, config, message);
reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
printf ("%s", reply_headers);
projects / notmuch / blobdiff