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cli: clean up user address matching code in guess_from_received_header()

Browse source 
Get rid of user address matching code duplication in
guess_from_received_header() by using the new address matching
helpers.

No functional changes.

Signed-off-by: Jani Nikula <jani@nikula.org>
This commit is contained in:
Jani Nikula 2012-05-11 17:33:05 +03:00 committed by David Bremner
parent e03ed64c8f
commit 4c526fe351
1 changed files with 19 additions and 45 deletions
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64
notmuch-reply.c
View file

@ -377,20 +377,15 @@ add_recipients_from_message (GMimeMessage *reply,
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;
const char *addr, *received, *by;
char *mta,*ptr,*token;
char *domain=NULL;
char *tld=NULL;
const char *delim=". \t";
size_t i,j,other_len;
size_t i;
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
@ -405,23 +400,13 @@ guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message
* '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);
}
for (i = 0; i < ARRAY_SIZE (to_headers); i++) {
const char *tohdr = notmuch_message_get_header (message, to_headers[i]);
/* Note: tohdr potentially contains a list of email addresses. */
addr = user_address_in_string (tohdr, config);
if (addr)
return addr;
}
/* We get the concatenated Received: headers and search from the
@ -439,19 +424,12 @@ guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message
* 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];
}
}
/* Note: ptr potentially contains a list of email addresses. */
addr = user_address_in_string (ptr, config);
if (addr)
return addr;
/* 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
@ -492,15 +470,11 @@ guess_from_received_header (notmuch_config_t *config, notmuch_message_t *message
*/
*(tld-1) = '.';
if (strcasestr(primary, domain)) {
free(mta);
return primary;
addr = string_in_user_address (domain, config);
if (addr) {
free (mta);
return addr;
}
for (i = 0; i < other_len; i++)
if (strcasestr (other[i],domain)) {
free(mta);
return other[i];
}
}
free (mta);
}