burn after reading messages are only deleted after callback by JS when
successfully decrypted, resolves #11
This commit is contained in:
El RIDO
parent
9fdbba76ce
commit
802a0b26b9
3 changed files with 94 additions and 22 deletions
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@ -238,6 +238,10 @@ function displayMessages(key, comments) {
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// Display paste expiration.
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if (comments[0].meta.expire_date) $('#remainingtime').removeClass('foryoureyesonly').text('This document will expire in '+secondsToHuman(comments[0].meta.remaining_time)+'.').removeClass('hidden');
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if (comments[0].meta.burnafterreading) {
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$.get(scriptLocation() + "?pasteid=" + pasteID() + '&deletetoken=burnafterreading', 'json')
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.fail(function() {
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showError('Could not delete the paste, it was not stored in burn after reading mode.');
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});
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$('#remainingtime').addClass('foryoureyesonly').text('FOR YOUR EYES ONLY. Don\'t close this window, this message can\'t be displayed again.').removeClass('hidden');
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$('#clonebutton').addClass('hidden'); // Discourage cloning (as it can't really be prevented).
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}
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@ -382,11 +386,7 @@ function send_data() {
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burnafterreading: $('#burnafterreading').is(':checked') ? 1 : 0,
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opendiscussion: $('#opendiscussion').is(':checked') ? 1 : 0
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};
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$.post(scriptLocation(), data_to_send, 'json')
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.error(function() {
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showError('Data could not be sent (serveur error or not responding).');
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})
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.success(function(data) {
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$.post(scriptLocation(), data_to_send, function(data) {
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if (data.status == 0) {
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stateExistingPaste();
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var url = scriptLocation() + "?" + data.id + '#' + randomkey;
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@ -412,6 +412,9 @@ function send_data() {
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else {
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showError('Could not create paste.');
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}
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}, 'json')
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.fail(function() {
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showError('Data could not be sent (server error or not responding).');
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});
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}
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@ -24,6 +24,13 @@ class zerobin
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*/
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const VERSION = 'Alpha 0.19';
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/**
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* show the same error message if the paste expired or does not exist
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*
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* @const string
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*/
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const GENERIC_ERROR = 'Paste does not exist, has expired or has been deleted.';
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/**
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* configuration array
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*
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@ -99,7 +106,11 @@ class zerobin
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// delete an existing paste
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elseif (!empty($_GET['deletetoken']) && !empty($_GET['pasteid']))
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{
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$this->_delete($_GET['pasteid'], $_GET['deletetoken']);
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$result = $this->_delete($_GET['pasteid'], $_GET['deletetoken']);
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if (strlen($result)) {
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echo $result;
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return;
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}
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}
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// display an existing paste
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elseif (!empty($_SERVER['QUERY_STRING']))
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@ -355,7 +366,7 @@ class zerobin
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* @access private
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* @param string $dataid
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* @param string $deletetoken
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* @return void
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* @return string
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*/
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private function _delete($dataid, $deletetoken)
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{
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@ -363,14 +374,42 @@ class zerobin
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if (!filter::is_valid_paste_id($dataid))
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{
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$this->_error = 'Invalid paste ID.';
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return;
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return '';
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}
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// Check that paste exists.
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if (!$this->_model()->exists($dataid))
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{
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$this->_error = 'Paste does not exist, has expired or has been deleted.';
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return;
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$this->_error = self::GENERIC_ERROR;
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return '';
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}
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// Get the paste itself.
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$paste = $this->_model()->read($dataid);
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// See if paste has expired.
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if (
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isset($paste->meta->expire_date) &&
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$paste->meta->expire_date < time()
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)
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{
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// Delete the paste
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$this->_model()->delete($dataid);
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$this->_error = self::GENERIC_ERROR;
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}
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if ($deletetoken == 'burnafterreading') {
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header('Content-type: application/json');
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if (
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isset($paste->meta->burnafterreading) &&
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$paste->meta->burnafterreading
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)
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{
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// Delete the paste
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$this->_model()->delete($dataid);
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return $this->_return_message(0, 'Paste was properly deleted.');
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}
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return $this->_return_message(1, 'Paste is not of burn-after-reading type.');
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}
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// Make sure token is valid.
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@ -378,12 +417,13 @@ class zerobin
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if (!filter::slow_equals($deletetoken, hash_hmac('sha1', $dataid, serversalt::get())))
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{
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$this->_error = 'Wrong deletion token. Paste was not deleted.';
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return;
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return '';
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}
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// Paste exists and deletion token is valid: Delete the paste.
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$this->_model()->delete($dataid);
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$this->_status = 'Paste was properly deleted.';
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return '';
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}
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/**
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@ -402,9 +442,6 @@ class zerobin
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return;
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}
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// show the same error message if the paste expired or does not exist
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$genericError = 'Paste does not exist, has expired or has been deleted.';
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// Check that paste exists.
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if ($this->_model()->exists($dataid))
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{
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@ -419,7 +456,7 @@ class zerobin
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{
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// Delete the paste
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$this->_model()->delete($dataid);
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$this->_error = $genericError;
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$this->_error = self::GENERIC_ERROR;
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}
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// If no error, return the paste.
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else
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@ -444,17 +481,11 @@ class zerobin
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);
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}
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$this->_data = json_encode($messages);
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// If the paste was meant to be read only once, delete it.
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if (
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property_exists($paste->meta, 'burnafterreading') &&
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$paste->meta->burnafterreading
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) $this->_model()->delete($dataid);
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}
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}
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else
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{
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$this->_error = $genericError;
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$this->_error = self::GENERIC_ERROR;
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}
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}
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@ -527,4 +527,42 @@ class zerobinTest extends PHPUnit_Framework_TestCase
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);
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$this->assertTrue($this->_model->exists(self::$pasteid), 'paste exists after failing to delete data');
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}
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/**
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* @runInSeparateProcess
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*/
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public function testDeleteBurnAfterReading()
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{
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$this->reset();
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$burnPaste = self::$paste;
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$burnPaste['meta']['burnafterreading'] = true;
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$this->_model->create(self::$pasteid, $burnPaste);
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$this->assertTrue($this->_model->exists(self::$pasteid), 'paste exists before deleting data');
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$_GET['pasteid'] = self::$pasteid;
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$_GET['deletetoken'] = 'burnafterreading';
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ob_start();
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new zerobin;
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$content = ob_get_contents();
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$response = json_decode($content, true);
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$this->assertEquals(0, $response['status'], 'outputs status');
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$this->assertFalse($this->_model->exists(self::$pasteid), 'paste successfully deleted');
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}
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/**
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* @runInSeparateProcess
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*/
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public function testDeleteInvalidBurnAfterReading()
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{
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$this->reset();
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$this->_model->create(self::$pasteid, self::$paste);
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$this->assertTrue($this->_model->exists(self::$pasteid), 'paste exists before deleting data');
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$_GET['pasteid'] = self::$pasteid;
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$_GET['deletetoken'] = 'burnafterreading';
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ob_start();
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new zerobin;
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$content = ob_get_contents();
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$response = json_decode($content, true);
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$this->assertEquals(1, $response['status'], 'outputs status');
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$this->assertTrue($this->_model->exists(self::$pasteid), 'paste successfully deleted');
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}
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}
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