sanitize

Comprehensive Security Against User Input - PHP, MySQL [duplicate]

喜欢而已 提交于 2019-12-08 11:42:29
问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: What's the best method for sanitizing user input with PHP? What are the best PHP input sanitizing functions? The ultimate clean/secure function Goal : Properly sanitize all inputs from text boxes before entering into DB, which is then output to a page. For my use case, I need to prevent potential problems while not eliminating the data input. Also, the charset is explicitly set to UTF-8 in both the HTTP header

Rails 5.0.0.beta1 - Generating an URL from non sanitized request parameters is insecure

与世无争的帅哥 提交于 2019-12-06 17:13:21
问题 We are upgrading from Rails 4.2.5 to 5.0.0.beta1 When testing we expected to see index views rendered with paginated links as before. But we now get an ArgumentError error page, for example: ArgumentError in Transactions#index /app/views/kaminari/_paginator.html.erb where line #10 raised: <%= paginator.render do -%> Generating an URL from non sanitized request parameters is insecure! Application Trace | Framework Trace | Full Trace app/views/kaminari/_paginator.html.erb:10:in block in _app

Sanitizing HTML using Jeff Atwood's example

余生颓废 提交于 2019-12-06 06:39:29
问题 I'm working on sanitizing my Html using Jeff Atwood's code found here But the problem I'm running into is when I input Markdown links into the form (they get removed) <http://www.example.com> Here's the code I'm using. private static Regex _tags = new Regex("<[^>]*(>|$)", RegexOptions.Singleline | RegexOptions.ExplicitCapture | RegexOptions.Compiled); private static Regex _whitelist = new Regex(@" ^</?(b(lockquote)?|code|d(d|t|l|el)|em|h(1|2|3)|i|kbd|li|ol|p(re)?|s(ub|up|trong|trike)?|ul)>$|

Is hexing input sufficient to sanitize SQL Queries?

会有一股神秘感。 提交于 2019-12-06 03:55:43
问题 I was reading last night on preventing SQL injections, and I ran across this answer: How can I prevent SQL injection in PHP? The comments from 'Your Common Sense' made it sound like that was dysfunctional/unsafe. However, in my (albeit limited) testing, I found that php's "bin2hex($var)" worked with anything I threw at it - literal number, number string, string of text - even when matching a numerical (tinyint) column. My question is this: Is there a way to inject SQL when every user input is

SQL Injection, Quotes and PHP

不羁岁月 提交于 2019-12-05 16:03:55
I'm quite confused now and would like to know, if you could clear things up for me. After the lateste Anon/Lulsec attacks, i was questioning my php/mysql security. So, i thought, how could I protect both, PHP and Mysql. Question: Could anyone explain me, what's best practice to handle PHP and Mysql

For SafeHtml, Do we need to sanitize the “link” in <img src=link> tag, GWT?

别等时光非礼了梦想. 提交于 2019-12-05 15:53:57
I got a textbox that allows users to put image link (ex: http://abc.test.gif ) & another textbox that allows user to put Alternate text (ex: "This is test.gif"), & a submit button. When a user clicks on submit buton, the program will generate <img src="http://abc.test.gif" alt="This is test.gif">

Best way to Sanitize / Filter Comments from users?

懵懂的女人 提交于 2019-12-05 07:54:56
问题 I am currently using this process to Sanitize/Filter comment entered by users -> This one is used to strip slashes... and if (get_magic_quotes_gpc()) { function stripslashes_deep($value) { $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value); return $value; } $_POST = array_map('stripslashes_deep', $_POST); $_GET = array_map('stripslashes_deep', $_GET); $_COOKIE = array_map('stripslashes_deep', $_COOKIE); $_REQUEST = array_map('stripslashes_deep', $

Rails 5.0.0.beta1 - Generating an URL from non sanitized request parameters is insecure

左心房为你撑大大i 提交于 2019-12-05 00:27:38
We are upgrading from Rails 4.2.5 to 5.0.0.beta1 When testing we expected to see index views rendered with paginated links as before. But we now get an ArgumentError error page, for example: ArgumentError in Transactions#index /app/views/kaminari/_paginator.html.erb where line #10 raised: <%=

Sanitize contact form without mysql_real_escape_string

谁说胖子不能爱 提交于 2019-12-04 23:19:42
问题 I normally use this function to sanitize my form inputs before storing them into my database: //Function to sanitize values received from the form. Prevents SQL injection function clean($str) { $str = @trim($str); if(get_magic_quotes_gpc()) { $str = stripslashes($str); } return mysql_real_escape_string($str); } Until today I didn't realize that mysql_real_escape_string required a database connection as I've only used it when I've been cleaning the data before storing it into the database. I

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