Exemplo n.º 1
0
 public function decryptMessage($from, $ciphertext, $type, $id, $t, $retry_from = null, $skip_unpad = false)
 {
     $version = '1';
     $this->parent->debugPrint("\n-> Decrypted Message: ");
     if ($type == 'pkmsg') {
         if (in_array(ExtractNumber($from), $this->parent->getv2Jids())) {
             $version = '2';
         }
         try {
             $preKeyWhisperMessage = new PreKeyWhisperMessage(null, null, null, null, null, null, null, $ciphertext);
             $sessionCipher = $this->parent->getSessionCipher(ExtractNumber($from));
             $plaintext = $sessionCipher->decryptPkmsg($preKeyWhisperMessage);
             if ($version == '2' && !$skip_unpad) {
                 $plaintext = unpadV2Plaintext($plaintext);
             }
             $this->parent->debugPrint(parseText($plaintext) . "\n\n");
             return $plaintext;
         } catch (Exception $e) {
             if ($e instanceof UntrustedIdentityException) {
                 $this->parent->getAxolotlStore()->clearRecipient(ExtractNumber($from));
             }
             $this->parent->debugPrint($e->getMessage() . ' - ' . $e->getFile() . ' - ' . $e->getLine());
             // if ($e->getMessage() != "Null values!"){
             $this->parent->debugPrint("Message {$id} could not be decrypted, sending retry.\n\n");
             $participant = null;
             if ($retry_from != null) {
                 if (strpos($retry_from, '-') !== false) {
                     $participant = $from;
                 }
                 $from = $retry_from;
             }
             //$this->sendRetry($from, $id, $t, $participant);
             return false;
             //}
         }
     } elseif ($type == 'msg') {
         if (in_array(ExtractNumber($from), $this->parent->getv2Jids())) {
             $version = '2';
         }
         try {
             $whisperMessage = new WhisperMessage(null, null, null, null, null, null, null, null, $ciphertext);
             $sessionCipher = $this->parent->getSessionCipher(ExtractNumber($from));
             $plaintext = $sessionCipher->decryptMsg($whisperMessage);
             if ($version == '2' && !$skip_unpad) {
                 $plaintext = unpadV2Plaintext($plaintext);
             }
             $this->parent->debugPrint(parseText($plaintext) . "\n\n");
             return $plaintext;
         } catch (Exception $e) {
             $this->parent->debugPrint($e->getMessage() . ' - ' . $e->getFile() . ' - ' . $e->getLine());
             $this->parent->debugPrint("Message {$id} could not be decrypted, sending retry.\n\n");
             if ($retry_from != null) {
                 $from = $retry_from;
             }
             //$this->sendRetry($from, $id, $t);
             return false;
         }
     } elseif ($type == 'skmsg') {
         if (in_array($from[1], $this->parent->v2Jids)) {
             $version = '2';
         }
         try {
             $groupCipher = $this->parent->getGroupCipher(ExtractNumber($from[0]) . ':' . $from[1]);
             $plaintext = $groupCipher->decrypt($ciphertext);
             if ($version == '2' && !$skip_unpad) {
                 $plaintext = unpadV2Plaintext($plaintext);
             }
             $this->parent->debugPrint("Message {$id} decrypted to " . parseText($plaintext) . "\n\n");
             return $plaintext;
         } catch (Exception $e) {
             $this->parent->debugPrint($e->getMessage() . ' - ' . $e->getFile() . ' - ' . $e->getLine());
             if ($retry_from != null) {
                 $from = $retry_from;
             }
             $this->parent->sendRetry($this->node, $this->parent->getJID($from[0]), $id, $t);
             return false;
         }
     }
 }
Exemplo n.º 2
0
 function decryptMessage($from, $ciphertext, $type, $id, $t, $retry_from = null, $skip_unpad = false)
 {
     $version = "1";
     $this->parent->debugPrint("\n-> Decrypted Message: ");
     if ($type == "pkmsg") {
         if (in_array(ExtractNumber($from), $this->parent->getv2Jids())) {
             $version = "2";
         }
         try {
             $preKeyWhisperMessage = new PreKeyWhisperMessage(null, null, null, null, null, null, null, $ciphertext);
             $sessionCipher = $this->parent->getSessionCipher(ExtractNumber($from));
             $plaintext = $sessionCipher->decryptPkmsg($preKeyWhisperMessage);
             if ($version == "2" && !$skip_unpad) {
                 $plaintext = unpadV2Plaintext($plaintext);
             }
             $this->parent->debugPrint(parseText($plaintext) . "\n\n");
             return $plaintext;
         } catch (Exception $e) {
             $this->parent->debugPrint($e->getMessage() . " - " . $e->getFile() . " - " . $e->getLine());
             if ($e->getMessage() != "Null values!") {
                 $this->parent->debugPrint("Message {$id} could not be decrypted, sending retry.\n\n");
                 $participant = null;
                 if ($retry_from != null) {
                     if (strpos($retry_from, "-") !== false) {
                         $participant = $from;
                     }
                     $from = $retry_from;
                 }
                 //$this->sendRetry($from, $id, $t, $participant);
                 return false;
             }
         }
     } else {
         if ($type == "msg") {
             if (in_array(ExtractNumber($from), $this->parent->getv2Jids())) {
                 $version = "2";
             }
             try {
                 $whisperMessage = new WhisperMessage(null, null, null, null, null, null, null, null, $ciphertext);
                 $sessionCipher = $this->parent->getSessionCipher(ExtractNumber($from));
                 $plaintext = $sessionCipher->decryptMsg($whisperMessage);
                 if ($version == "2" && !$skip_unpad) {
                     $plaintext = unpadV2Plaintext($plaintext);
                 }
                 $this->parent->debugPrint(parseText($plaintext) . "\n\n");
                 return $plaintext;
             } catch (Exception $e) {
                 $this->parent->debugPrint($e->getMessage() . " - " . $e->getFile() . " - " . $e->getLine());
                 $this->parent->debugPrint("Message {$id} could not be decrypted, sending retry.\n\n");
                 if ($retry_from != null) {
                     $from = $retry_from;
                 }
                 //$this->sendRetry($from, $id, $t);
                 return false;
             }
         } else {
             if ($type == "skmsg") {
                 if (in_array($from[1], $this->v2Jids)) {
                     $version = "2";
                 }
                 try {
                     $groupCipher = $this->parent->getGroupCipher(ExtractNumber($from[0]) . ":" . $from[1]);
                     $plaintext = $groupCipher->decrypt($ciphertext);
                     if ($version == "2" && !$skip_unpad) {
                         $plaintext = unpadV2Plaintext($plaintext);
                     }
                     $this->parent->debugPrint("Message {$id} decrypted to " . parseText($plaintext) . "\n\n");
                     return $plaintext;
                 } catch (Exception $e) {
                     $this->parent->debugPrint($e->getMessage() . " - " . $e->getFile() . " - " . $e->getLine());
                     if ($retry_from != null) {
                         $from = $retry_from;
                     }
                     $this->parent->sendRetry($this->parent->getJID($from[0]), $id, $t);
                     return false;
                 }
             }
         }
     }
 }