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-rw-r--r--src/ngSanitize/sanitize.js46
1 files changed, 36 insertions, 10 deletions
diff --git a/src/ngSanitize/sanitize.js b/src/ngSanitize/sanitize.js
index 7bd9aae3..5d378b02 100644
--- a/src/ngSanitize/sanitize.js
+++ b/src/ngSanitize/sanitize.js
@@ -46,6 +46,8 @@ var $sanitizeMinErr = angular.$$minErr('$sanitize');
* it into the returned string, however, since our parser is more strict than a typical browser
* parser, it's possible that some obscure input, which would be recognized as valid HTML by a
* browser, won't make it through the sanitizer.
+ * The whitelist is configured using the functions `aHrefSanitizationWhitelist` and
+ * `imgSrcSanitizationWhitelist` of {@link ng.$compileProvider `$compileProvider`}.
*
* @param {string} html Html input.
* @returns {string} Sanitized html.
@@ -128,11 +130,24 @@ var $sanitizeMinErr = angular.$$minErr('$sanitize');
</doc:scenario>
</doc:example>
*/
-var $sanitize = function(html) {
+function $SanitizeProvider() {
+ this.$get = ['$$sanitizeUri', function($$sanitizeUri) {
+ return function(html) {
+ var buf = [];
+ htmlParser(html, htmlSanitizeWriter(buf, function(uri, isImage) {
+ return !/^unsafe/.test($$sanitizeUri(uri, isImage));
+ }));
+ return buf.join('');
+ };
+ }];
+}
+
+function sanitizeText(chars) {
var buf = [];
- htmlParser(html, htmlSanitizeWriter(buf));
- return buf.join('');
-};
+ var writer = htmlSanitizeWriter(buf, angular.noop);
+ writer.chars(chars);
+ return buf.join('');
+}
// Regular Expressions for parsing tags and attributes
@@ -145,7 +160,6 @@ var START_TAG_REGEXP =
COMMENT_REGEXP = /<!--(.*?)-->/g,
DOCTYPE_REGEXP = /<!DOCTYPE([^>]*?)>/i,
CDATA_REGEXP = /<!\[CDATA\[(.*?)]]>/g,
- URI_REGEXP = /^((ftp|https?):\/\/|mailto:|tel:|#)/i,
// Match everything outside of normal chars and " (quote character)
NON_ALPHANUMERIC_REGEXP = /([^\#-~| |!])/g;
@@ -353,8 +367,18 @@ function htmlParser( html, handler ) {
*/
var hiddenPre=document.createElement("pre");
function decodeEntities(value) {
- hiddenPre.innerHTML=value.replace(/</g,"&lt;");
- return hiddenPre.innerText || hiddenPre.textContent || '';
+ if (!value) {
+ return '';
+ }
+ // Note: IE8 does not preserve spaces at the start/end of innerHTML
+ var spaceRe = /^(\s*)([\s\S]*?)(\s*)$/;
+ var parts = spaceRe.exec(value);
+ parts[0] = '';
+ if (parts[2]) {
+ hiddenPre.innerHTML=parts[2].replace(/</g,"&lt;");
+ parts[2] = hiddenPre.innerText || hiddenPre.textContent;
+ }
+ return parts.join('');
}
/**
@@ -384,7 +408,7 @@ function encodeEntities(value) {
* comment: function(text) {}
* }
*/
-function htmlSanitizeWriter(buf){
+function htmlSanitizeWriter(buf, uriValidator){
var ignore = false;
var out = angular.bind(buf, buf.push);
return {
@@ -398,7 +422,9 @@ function htmlSanitizeWriter(buf){
out(tag);
angular.forEach(attrs, function(value, key){
var lkey=angular.lowercase(key);
- if (validAttrs[lkey]===true && (uriAttrs[lkey]!==true || value.match(URI_REGEXP))) {
+ var isImage = (tag === 'img' && lkey === 'src') || (lkey === 'background');
+ if (validAttrs[lkey] === true &&
+ (uriAttrs[lkey] !== true || uriValidator(value, isImage))) {
out(' ');
out(key);
out('="');
@@ -430,4 +456,4 @@ function htmlSanitizeWriter(buf){
// define ngSanitize module and register $sanitize service
-angular.module('ngSanitize', []).value('$sanitize', $sanitize);
+angular.module('ngSanitize', []).provider('$sanitize', $SanitizeProvider);