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[places] Prevent some abuse of smart queries.

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This commit is contained in:
wolfbeast 2019-05-26 17:55:44 +02:00 • committed by Roy Tam
commit b3deb955e9
2 changed files with 14 additions and 4 deletions
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10
toolkit/components/places/PlacesUtils.jsm
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@ -908,6 +908,7 @@ this.PlacesUtils = {
* @param type
* The content type of the blob.
* @returns An array of objects representing each item contained by the source.
* @throws if the blob contains invalid data.
*/
unwrapNodes: function PU_unwrapNodes(blob, type) {
// We split on "\n" because the transferable system converts "\r\n" to "\n"
@ -939,7 +940,7 @@ this.PlacesUtils = {
catch (e) {}
}
// note: this._uri() will throw if uriString is not a valid URI
if (this._uri(uriString)) {
if (this._uri(uriString) && this._uri(uriString).scheme != "place") {
nodes.push({ uri: uriString,
title: titleString ? titleString : uriString,
type: this.TYPE_X_MOZ_URL });
@ -952,11 +953,12 @@ this.PlacesUtils = {
for (let i = 0; i < parts.length; i++) {
let uriString = parts[i];
// text/uri-list is converted to TYPE_UNICODE but it could contain
// comments line prepended by #, we should skip them
if (uriString.substr(0, 1) == '\x23')
// comments line prepended by #, we should skip them, as well as
// empty URIs
if (uriString.substr(0, 1) == '\x23' || uriString == "")
continue;
// note: this._uri() will throw if uriString is not a valid URI
if (uriString != "" && this._uri(uriString))
if (this._uri(uriString).scheme != "place")
nodes.push({ uri: uriString,
title: uriString,
type: this.TYPE_X_MOZ_URL });