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removing some code smells, found in the various code checker tools

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This commit is contained in:
El RIDO 2016-07-11 15:47:42 +02:00
parent c33c50f775
commit 90a26d8fcb
2 changed files with 118 additions and 58 deletions
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168
js/privatebin.js
View file

@ -10,6 +10,15 @@
*/ */
'use strict'; 'use strict';
/** global: Base64 */
/** global: FileReader */
/** global: RawDeflate */
/** global: history */
/** global: navigator */
/** global: prettyPrint */
/** global: prettyPrintOne */
/** global: showdown */
/** global: sjcl */
// Immediately start random number generator collector. // Immediately start random number generator collector.
sjcl.random.startCollectors(); sjcl.random.startCollectors();
@ -27,28 +36,29 @@ $(function() {
*/ */
secondsToHuman: function(seconds) secondsToHuman: function(seconds)
{ {
var v;
if (seconds < 60) if (seconds < 60)
{ {
var v = Math.floor(seconds); v = Math.floor(seconds);
return [v, 'second']; return [v, 'second'];
} }
if (seconds < 60 * 60) if (seconds < 60 * 60)
{ {
var v = Math.floor(seconds / 60); v = Math.floor(seconds / 60);
return [v, 'minute']; return [v, 'minute'];
} }
if (seconds < 60 * 60 * 24) if (seconds < 60 * 60 * 24)
{ {
var v = Math.floor(seconds / (60 * 60)); v = Math.floor(seconds / (60 * 60));
return [v, 'hour']; return [v, 'hour'];
} }
// If less than 2 months, display in days: // If less than 2 months, display in days:
if (seconds < 60 * 60 * 24 * 60) if (seconds < 60 * 60 * 24 * 60)
{ {
var v = Math.floor(seconds / (60 * 60 * 24)); v = Math.floor(seconds / (60 * 60 * 24));
return [v, 'day']; return [v, 'day'];
} }
var v = Math.floor(seconds / (60 * 60 * 24 * 30)); v = Math.floor(seconds / (60 * 60 * 24 * 30));
return [v, 'month']; return [v, 'month'];
}, },
@ -241,12 +251,15 @@ $(function() {
sprintf: function() sprintf: function()
{ {
var args = arguments; var args = arguments;
if (typeof arguments[0] == 'object') args = arguments[0]; if (typeof arguments[0] == 'object')
{
args = arguments[0];
}
var string = args[0], var string = args[0],
i = 1; i = 1;
return string.replace(/%((%)|s|d)/g, function (m) { return string.replace(/%((%)|s|d)/g, function (m) {
// m is the matched format, e.g. %s, %d // m is the matched format, e.g. %s, %d
var val = null; var val;
if (m[2]) { if (m[2]) {
val = m[2]; val = m[2];
} else { } else {
@ -260,6 +273,7 @@ $(function() {
val = 0; val = 0;
} }
break; break;
default:
// Default is %s // Default is %s
} }
++i; ++i;
@ -280,8 +294,11 @@ $(function() {
var ca = document.cookie.split(';'); var ca = document.cookie.split(';');
for(var i = 0; i < ca.length; ++i) { for(var i = 0; i < ca.length; ++i) {
var c = ca[i]; var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1); while (c.charAt(0) === ' ') c = c.substring(1);
if (c.indexOf(name) == 0) return c.substring(name.length, c.length); if (c.indexOf(name) === 0)
{
return c.substring(name.length, c.length);
}
} }
return ''; return '';
} }
@ -318,7 +335,10 @@ $(function() {
translate: function() translate: function()
{ {
var args = arguments, messageId, usesPlurals; var args = arguments, messageId, usesPlurals;
if (typeof arguments[0] == 'object') args = arguments[0]; if (typeof arguments[0] == 'object')
{
args = arguments[0];
}
if (usesPlurals = $.isArray(args[0])) if (usesPlurals = $.isArray(args[0]))
{ {
// use the first plural form as messageId, otherwise the singular // use the first plural form as messageId, otherwise the singular
@ -328,20 +348,29 @@ $(function() {
{ {
messageId = args[0]; messageId = args[0];
} }
if (messageId.length === 0) return messageId; if (messageId.length === 0)
{
return messageId;
}
if (!this.translations.hasOwnProperty(messageId)) if (!this.translations.hasOwnProperty(messageId))
{ {
if (this.language !== 'en') console.debug( if (this.language !== 'en')
'Missing translation for: ' + messageId {
console.debug(
'Missing ' + this.language + ' translation for: ' + messageId
); );
}
this.translations[messageId] = args[0]; this.translations[messageId] = args[0];
} }
if (usesPlurals && $.isArray(this.translations[messageId])) if (usesPlurals && $.isArray(this.translations[messageId]))
{ {
var n = parseInt(args[1] || 1), var n = parseInt(args[1] || 1, 10),
key = this.getPluralForm(n), key = this.getPluralForm(n),
maxKey = this.translations[messageId].length - 1; maxKey = this.translations[messageId].length - 1;
if (key > maxKey) key = maxKey; if (key > maxKey)
{
key = maxKey;
}
args[0] = this.translations[messageId][key]; args[0] = this.translations[messageId][key];
args[1] = n; args[1] = n;
} }
@ -383,7 +412,7 @@ $(function() {
var selectedLang = helper.getCookie('lang'); var selectedLang = helper.getCookie('lang');
var language = selectedLang.length > 0 ? selectedLang : (navigator.language || navigator.userLanguage).substring(0, 2); var language = selectedLang.length > 0 ? selectedLang : (navigator.language || navigator.userLanguage).substring(0, 2);
// note that 'en' is built in, so no translation is necessary // note that 'en' is built in, so no translation is necessary
if (this.supportedLanguages.indexOf(language) == -1) if (this.supportedLanguages.indexOf(language) === -1)
{ {
callback(); callback();
} }
@ -444,7 +473,7 @@ $(function() {
*/ */
cipher: function(key, password, message) cipher: function(key, password, message)
{ {
if ((password || '').trim().length == 0) if ((password || '').trim().length === 0)
{ {
return sjcl.encrypt(key, this.compress(message), {mode : 'gcm'}); return sjcl.encrypt(key, this.compress(message), {mode : 'gcm'});
} }
@ -461,7 +490,7 @@ $(function() {
*/ */
decipher: function(key, password, data) decipher: function(key, password, data)
{ {
if (data != undefined) if (data !== undefined)
{ {
try try
{ {
@ -473,7 +502,7 @@ $(function() {
{ {
return this.decompress(sjcl.decrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), data)); return this.decompress(sjcl.decrypt(key + sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(password)), data));
} }
catch(err) catch(e)
{} {}
} }
} }
@ -530,14 +559,23 @@ $(function() {
i = key.indexOf('='); i = key.indexOf('=');
// First, strip everything after the equal sign (=) which signals end of base64 string. // First, strip everything after the equal sign (=) which signals end of base64 string.
if (i > -1) key = key.substring(0, i + 1); if (i > -1)
{
key = key.substring(0, i + 1);
}
// If the equal sign was not present, some parameters may remain: // If the equal sign was not present, some parameters may remain:
i = key.indexOf('&'); i = key.indexOf('&');
if (i > -1) key = key.substring(0, i); if (i > -1)
{
key = key.substring(0, i);
}
// Then add trailing equal sign if it's missing // Then add trailing equal sign if it's missing
if (key.charAt(key.length - 1) !== '=') key += '='; if (key.charAt(key.length - 1) !== '=')
{
key += '=';
}
return key; return key;
}, },
@ -551,8 +589,14 @@ $(function() {
requestPassword: function() requestPassword: function()
{ {
var password = prompt(i18n._('Please enter the password for this paste:'), ''); var password = prompt(i18n._('Please enter the password for this paste:'), '');
if (password == null) throw 'password prompt canceled'; if (password === null)
if (password.length == 0) return this.requestPassword(); {
throw 'password prompt canceled';
}
if (password.length == 0)
{
return this.requestPassword();
}
return password; return password;
}, },
@ -569,7 +613,7 @@ $(function() {
switch (format || 'plaintext') switch (format || 'plaintext')
{ {
case 'markdown': case 'markdown':
if (typeof showdown == 'object') if (typeof showdown === 'object')
{ {
showdown.setOption('strikethrough', true); showdown.setOption('strikethrough', true);
showdown.setOption('tables', true); showdown.setOption('tables', true);
@ -583,19 +627,23 @@ $(function() {
this.prettyMessage.addClass('hidden'); this.prettyMessage.addClass('hidden');
break; break;
case 'syntaxhighlighting': case 'syntaxhighlighting':
if (typeof prettyPrintOne == 'function') if (typeof prettyPrintOne === 'function')
{ {
if (typeof prettyPrint == 'function') prettyPrint(); if (typeof prettyPrint === 'function')
{
prettyPrint();
}
this.prettyPrint.html( this.prettyPrint.html(
prettyPrintOne(text, null, true) prettyPrintOne(text, null, true)
); );
} }
// fall through, as the rest is the same
default: default:
// Convert URLs to clickable links. // Convert URLs to clickable links.
helper.urls2links(this.clearText); helper.urls2links(this.clearText);
helper.urls2links(this.prettyPrint); helper.urls2links(this.prettyPrint);
this.clearText.addClass('hidden'); this.clearText.addClass('hidden');
if (format == 'plaintext') if (format === 'plaintext')
{ {
this.prettyPrint.css('white-space', 'pre-wrap'); this.prettyPrint.css('white-space', 'pre-wrap');
this.prettyPrint.css('word-break', 'normal'); this.prettyPrint.css('word-break', 'normal');
@ -621,24 +669,33 @@ $(function() {
if (paste.attachment) if (paste.attachment)
{ {
var attachment = filter.decipher(key, password, paste.attachment); var attachment = filter.decipher(key, password, paste.attachment);
if (attachment.length == 0) if (attachment.length === 0)
{ {
if (password.length == 0) password = this.requestPassword(); if (password.length === 0)
{
password = this.requestPassword();
}
attachment = filter.decipher(key, password, paste.attachment); attachment = filter.decipher(key, password, paste.attachment);
} }
if (attachment.length == 0) throw 'failed to decipher attachment'; if (attachment.length === 0)
{
throw 'failed to decipher attachment';
}
if (paste.attachmentname) if (paste.attachmentname)
{ {
var attachmentname = filter.decipher(key, password, paste.attachmentname); var attachmentname = filter.decipher(key, password, paste.attachmentname);
if (attachmentname.length > 0) this.attachmentLink.attr('download', attachmentname); if (attachmentname.length > 0)
{
this.attachmentLink.attr('download', attachmentname);
}
} }
this.attachmentLink.attr('href', attachment); this.attachmentLink.attr('href', attachment);
this.attachment.removeClass('hidden'); this.attachment.removeClass('hidden');
// if the attachment is an image, display it // if the attachment is an image, display it
var imagePrefix = 'data:image/'; var imagePrefix = 'data:image/';
if (attachment.substring(0, imagePrefix.length) == imagePrefix) if (attachment.substring(0, imagePrefix.length) === imagePrefix)
{ {
this.image.html( this.image.html(
$(document.createElement('img')) $(document.createElement('img'))
@ -649,12 +706,15 @@ $(function() {
} }
} }
var cleartext = filter.decipher(key, password, paste.data); var cleartext = filter.decipher(key, password, paste.data);
if (cleartext.length == 0 && password.length == 0 && !paste.attachment) if (cleartext.length === 0 && password.length === 0 && !paste.attachment)
{ {
password = this.requestPassword(); password = this.requestPassword();
cleartext = filter.decipher(key, password, paste.data); cleartext = filter.decipher(key, password, paste.data);
} }
if (cleartext.length == 0 && !paste.attachment) throw 'failed to decipher message'; if (cleartext.length === 0 && !paste.attachment)
{
throw 'failed to decipher message';
}
this.passwordInput.val(password); this.passwordInput.val(password);
if (cleartext.length > 0) if (cleartext.length > 0)
@ -716,13 +776,7 @@ $(function() {
{ {
var place = this.comments; var place = this.comments;
var comment = paste.comments[i]; var comment = paste.comments[i];
var cleartext = '[' + i18n._('Could not decrypt comment; Wrong key?') + ']'; var commenttext = filter.decipher(key, password, comment.data);
try
{
cleartext = filter.decipher(key, password, comment.data);
}
catch(err)
{}
// If parent comment exists, display below (CSS will automatically shift it right.) // If parent comment exists, display below (CSS will automatically shift it right.)
var cname = '#comment_' + comment.parentid; var cname = '#comment_' + comment.parentid;
@ -736,7 +790,7 @@ $(function() {
+ '<button class="btn btn-default btn-sm">' + i18n._('Reply') + '</button>' + '<button class="btn btn-default btn-sm">' + i18n._('Reply') + '</button>'
+ '</div></article>'); + '</div></article>');
divComment.find('button').click({commentid: comment.id}, $.proxy(this.openReply, this)); divComment.find('button').click({commentid: comment.id}, $.proxy(this.openReply, this));
helper.setElementText(divComment.find('div.commentdata'), cleartext); helper.setElementText(divComment.find('div.commentdata'), commenttext);
// Convert URLs to clickable links in comment. // Convert URLs to clickable links in comment.
helper.urls2links(divComment.find('div.commentdata')); helper.urls2links(divComment.find('div.commentdata'));
@ -814,14 +868,17 @@ $(function() {
this.errorMessage.addClass('hidden'); this.errorMessage.addClass('hidden');
// Do not send if no data. // Do not send if no data.
var replyMessage = $('#replymessage'); var replyMessage = $('#replymessage');
if (replyMessage.val().length == 0) return; if (replyMessage.val().length === 0)
{
return;
}
this.showStatus(i18n._('Sending comment...'), true); this.showStatus(i18n._('Sending comment...'), true);
var parentid = event.data.parentid; var parentid = event.data.parentid;
var cipherdata = filter.cipher(this.pageKey(), this.passwordInput.val(), replyMessage.val()); var cipherdata = filter.cipher(this.pageKey(), this.passwordInput.val(), replyMessage.val());
var ciphernickname = ''; var ciphernickname = '';
var nick = $('#nickname').val(); var nick = $('#nickname').val();
if (nick != '') if (nick !== '')
{ {
ciphernickname = filter.cipher(this.pageKey(), this.passwordInput.val(), nick); ciphernickname = filter.cipher(this.pageKey(), this.passwordInput.val(), nick);
} }
@ -840,7 +897,7 @@ $(function() {
headers: this.headers, headers: this.headers,
success: function(data) success: function(data)
{ {
if (data.status == 0) if (data.status === 0)
{ {
privatebin.showStatus(i18n._('Comment posted.'), false); privatebin.showStatus(i18n._('Comment posted.'), false);
$.ajax({ $.ajax({
@ -850,11 +907,11 @@ $(function() {
headers: privatebin.headers, headers: privatebin.headers,
success: function(data) success: function(data)
{ {
if (data.status == 0) if (data.status === 0)
{ {
privatebin.displayMessages(privatebin.pageKey(), data); privatebin.displayMessages(privatebin.pageKey(), data);
} }
else if (data.status == 1) else if (data.status === 1)
{ {
privatebin.showError(i18n._('Could not refresh display: %s', data.message)); privatebin.showError(i18n._('Could not refresh display: %s', data.message));
} }
@ -868,7 +925,7 @@ $(function() {
privatebin.showError(i18n._('Could not refresh display: %s', i18n._('server error or not responding'))); privatebin.showError(i18n._('Could not refresh display: %s', i18n._('server error or not responding')));
}); });
} }
else if (data.status == 1) else if (data.status === 1)
{ {
privatebin.showError(i18n._('Could not post comment: %s', data.message)); privatebin.showError(i18n._('Could not post comment: %s', data.message));
} }
@ -895,7 +952,10 @@ $(function() {
files = (file && file.files) ? file.files : null; // FileList object files = (file && file.files) ? file.files : null; // FileList object
// Do not send if no data. // Do not send if no data.
if (this.message.val().length == 0 && !(files && files[0])) return; if (this.message.val().length === 0 && !(files && files[0]))
{
return;
}
// If sjcl has not collected enough entropy yet, display a message. // If sjcl has not collected enough entropy yet, display a message.
if (!sjcl.random.isReady()) if (!sjcl.random.isReady())
@ -982,7 +1042,7 @@ $(function() {
headers: this.headers, headers: this.headers,
success: function(data) success: function(data)
{ {
if (data.status == 0) { if (data.status === 0) {
privatebin.stateExistingPaste(); privatebin.stateExistingPaste();
var url = privatebin.scriptLocation() + '?' + data.id + '#' + randomkey; var url = privatebin.scriptLocation() + '?' + data.id + '#' + randomkey;
var deleteUrl = privatebin.scriptLocation() + '?pasteid=' + data.id + '&deletetoken=' + data.deletetoken; var deleteUrl = privatebin.scriptLocation() + '?pasteid=' + data.id + '&deletetoken=' + data.deletetoken;
@ -1002,7 +1062,7 @@ $(function() {
privatebin.showStatus('', false); privatebin.showStatus('', false);
privatebin.formatPaste(data_to_send.formatter, privatebin.message.val()); privatebin.formatPaste(data_to_send.formatter, privatebin.message.val());
} }
else if (data.status==1) else if (data.status === 1)
{ {
privatebin.showError(i18n._('Could not create paste: %s', data.message)); privatebin.showError(i18n._('Could not create paste: %s', data.message));
} }
@ -1279,7 +1339,7 @@ $(function() {
this.status.html(' '); this.status.html(' ');
return; return;
} }
if (message == '') if (message === '')
{ {
this.status.html(' '); this.status.html(' ');
return; return;
@ -1368,7 +1428,7 @@ $(function() {
if (this.cipherData.text().length > 1) if (this.cipherData.text().length > 1)
{ {
// Missing decryption key in URL? // Missing decryption key in URL?
if (window.location.hash.length == 0) if (window.location.hash.length === 0)
{ {
this.showError(i18n._('Cannot decrypt paste: Decryption key missing in URL (Did you use a redirector or an URL shortener which strips part of the URL?)')); this.showError(i18n._('Cannot decrypt paste: Decryption key missing in URL (Did you use a redirector or an URL shortener which strips part of the URL?)'));
return; return;

4
lib/privatebin/db.php
View file

@ -315,7 +315,7 @@ class privatebin_db extends privatebin_abstract
* @param string $parentid * @param string $parentid
* @param string $commentid * @param string $commentid
* @param array $comment * @param array $comment
* @return int|false * @return bool
*/ */
public function createComment($pasteid, $parentid, $commentid, $comment) public function createComment($pasteid, $parentid, $commentid, $comment)
{ {
@ -397,7 +397,7 @@ class privatebin_db extends privatebin_abstract
* @param string $sql * @param string $sql
* @param array $params * @param array $params
* @throws PDOException * @throws PDOException
* @return array * @return bool
*/ */
private static function _exec($sql, array $params) private static function _exec($sql, array $params)
{ {