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| META TOPICPARENT |
name="TWikiVariables" |
ENCODE{"string"} -- encodes a string to HTML entities |
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type="safe" |
Encode special characters into HTML entities to avoid XSS exploits: "<", ">", "%", single quote (') and double quote (") |
type="url" |
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type="entity" |
Encode special characters into HTML entities, like a double quote into ". Does not encode \n or \r. |
type="url" |
type="html" |
As type="entity" except it also encodes \n and \r |
type="url" |
type="quotes" |
Escape double quotes with backslashes (\"), does not change other characters |
type="url" |
type="url" |
Encode special characters for URL parameter use, like a double quote into %22 |
(this is the default) |
- Example:
%ENCODE{"spaced name"}% expands to spaced%20name
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-
 Note: Values of HTML input fields must be entity encoded.
Example: <input type="text" name="address" value="%ENCODE{ "any text" type="entity" }%" />
- Note: Double quotes in strings must be escaped when passed into other TWiki variables.
Example: %SEARCH{ "%ENCODE{ "string with "quotes"" type="quotes" }%" noheader="on" }%
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>
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- Notes:
- Values of HTML input fields must be entity encoded.
Example: <input type="text" name="address" value="%ENCODE{ "any text" type="entity" }%" />
- Double quotes in strings must be escaped when passed into other TWiki variables.
Example: %SEARCH{ "%ENCODE{ "string with "quotes"" type="quotes" }%" noheader="on" }%
- Use
type="entity" or type="safe" to protect user input from URL parameters and external sources against cross-site scripting (XSS). type="entity" is more aggressive, but some TWiki applications might not work. type="safe" provides a safe middle ground.
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