add X-Delay header

[etc/mailfilter.git] / procmail / delay-delivery

diff --git a/procmail/delay-delivery b/procmail/delay-delivery
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..543c01ca4dcdb4820d7dba459ca320c7f2038b6a 100644 (file)
--- a/procmail/delay-delivery
+++ b/procmail/delay-delivery
@@ -0,0 +1,37 @@
+:0
+* ^X-Mailer: swaks
+{ DELAY="30 seconds" }
+
+# create table messages (msgid text unique not null, filename text
+# primary key not null unique, release_ts integer not null);
+
+:0
+* DELAY ?? .
+{
+  #TODO: for tickling, use header date
+  RELEASE="`date -d \"now + $DELAY\" +'%s %c'`"
+  :0
+  *$ RELEASE ?? ^\/${RE_NOT_SPACE}+
+  { RELEASE_TS=$MATCH }
+  :0
+  *$ RELEASE ?? ^[0-9]+${RE_SPACE}+\/.+
+  { RELEASE_TIME="$MATCH" }
+
+  LOG="delay:       delay delivery of $MSGID until $RELEASE_TIME$NL"
+
+  DELAYED_QUEUE_DB=$PMVAR/delayed-queue.sqlite
+  DO_QUERY="$SQLITE $DELAYED_QUEUE_DB"
+
+  DATA="$MSGID"
+  INCLUDERC=$PMDIR/sql-escape
+
+  Q="insert into messages values
+     ($DATA, '\\'\$DESTFILE\\'', $RELEASE_TS)"
+  TRAP="$TRAP; $DO_QUERY '$Q'"
+
+  :0 fw
+  |$FORMAIL -I "X-Delay: $RELEASE_TS ($RELEASE_TIME)"
+
+  :0
+  $DELAYED_QUEUE
+}