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Merge pull request #2269 from annando/1601-signatures2 

Reworked check for double encoded Diaspora signatures
This commit is contained in:
Tobias Diekershoff 2016-01-20 16:39:19 +01:00
parent 7e83ba090f 98ccefebcf
commit 2c410a93ff
2 changed files with 8 additions and 4 deletions
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4
include/diaspora.php
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@ -2911,10 +2911,6 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
$authorsig = $orig_sign['signature'];
$handle = $orig_sign['signer'];
// Friendica servers lower than 3.5 had double encoded the signature ...
if (substr($authorsig, -1, 1) != "=")
$authorsig = base64_decode($authorsig);
// Split the signed text
$signed_parts = explode(";", $signed_text);

8
include/items.php
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@ -1609,6 +1609,14 @@ function item_store($arr,$force_parent = false, $notify = false, $dontcache = fa
);
if($dsprsig) {
// Friendica servers lower than 3.4.3-2 had double encoded the signature ...
// We can check for this condition when we decode and encode the stuff again.
if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
$dsprsig->signature = base64_decode($dsprsig->signature);
logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
}
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($current_post),
dbesc($dsprsig->signed_text),