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-rw-r--r--eval_test.js195
1 files changed, 161 insertions, 34 deletions
diff --git a/eval_test.js b/eval_test.js
index d0de7e5..e930a48 100644
--- a/eval_test.js
+++ b/eval_test.js
@@ -50,17 +50,17 @@ var licenses = {
'URL': 'http://www.apache.org/licenses/LICENSE-2.0',
'Magnet link': 'magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt'
},
- // No identifier was present
+ // No identifier was present in documentation
'Artistic-2.0':{
'URL': 'http://www.perlfoundation.org/artistic_license_2_0',
'Magnet link': 'magnet:?xt=urn:btih:54fd2283f9dbdf29466d2df1a98bf8f65cafe314&dn=artistic-2.0.txt'
},
- // No identifier was present
+ // No identifier was present in documentation
'Boost':{
'URL': 'http://www.boost.org/LICENSE_1_0.txt',
'Magnet link': 'magnet:?xt=urn:btih:89a97c535628232f2f3888c2b7b8ffd4c078cec0&dn=Boost-1.0.txt'
},
- // No identifier was present
+ // No identifier was present in documentation
'BSD-3-Clause':{
'URL': 'http://opensource.org/licenses/BSD-3-Clause',
'Magnet link': 'magnet:?xt=urn:btih:c80d50af7d3db9be66a4d0a86db0286e4fd33292&dn=bsd-3-clause.txt',
@@ -131,7 +131,7 @@ var licenses = {
'URL': 'http://unlicense.org/UNLICENSE',
'Magnet link': 'magnet:?xt=urn:btih:5ac446d35272cc2e4e85e4325b146d0b7ca8f50c&dn=unlicense.txt'
},
- // No identifier was present
+ // No identifier was present in documentation
'X11':{
'URL': 'http://www.xfree86.org/3.3.6/COPYRIGHT2.html#3',
'Magnet link': 'magnet:?xt=urn:btih:5305d91886084f776adcf57509a648432709a7c7&dn=x11.txt'
@@ -143,79 +143,206 @@ var licenses = {
}
}
-var license_regexes = {
- // Comments on a single line only
- "JScomment": /(\/\/.*\n)|(\/\*.*\*\/)/g,
- "JSallcomment": /(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(\/\/.*)/g,
- // "@license [magnet link] [identifier]"
- "license_start": /@license[^\S\n]+magnet:\S+[^\S\n]+\S+/g,
- // "@license-end"
- "license_end": /\/\/\s*@license\-end/g
-}
-
/**
*
* Runs regexes to search for explicit delcarations of script
-* licenses on the argument. (// @license, //@license-end)
-*
-* Returns the identifier string or "fail".
+* licenses on the argument.
+* It detects:
+* // @license, //@license-end
+* // licstart, //licend
+* Returns the identifier string of the license or "fail".
*
*/
function license_read(script_src){
+ if(typeof(script_src) != "string"){
+ return "fail"
+ }
var license_attempts = [];
- var comment_regex = new RegExp(license_regexes["JSallcomment"]);
- var comments = script_src.match(comment_regex);
+ // comment regex
+ var comments = script_src.match(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(\/\/.*)/g);
if(comments == null){
comments = [];
}
console.log("%c comments:","color:green;")
console.log(comments);
+
+ // Not sure if there is any better way to do this.
for(var i = 0; i < comments.length; i++){
if(comments[i] !== undefined){
- if(comments[i].match(license_regexes["license_start"]) != null){
- console.log("License start:");
- console.log(comments[i])
+ // license_start regex
+ if(comments[i].match(/@license[^\S\n]+magnet:\S+[^\S\n]+\S+/g) != null){
+ console.log("License start detected.");
+ var content = comments[i].match(/(?:magnet:\S+)(\s+.+)/g);
+ if(content != null){
+ content[0].replace(/\s+/g," ");
+ content = content[0].split(" ");
+ var magnet = content[0];
+ var identifier = "";
+ for(var i = 1; i < content.length; i++){
+ if(i == 1){
+ identifier = identifier + content[i];
+ } else{
+ identifier = identifier + "-" + content[i];
+ }
+ }
+ var valid = true;
+ if(licenses[identifier]["Magnet link"] != magnet){
+ valid = false;
+ }
+ if((identifier in licenses) == false){
+ valid = false;
+ }
+ console.log("Valid? "+ valid);
+ } else{
+ console.log("Valid? false");
+ }
}
-
- if(comments[i].match(license_regexes["license_end"]) != null){
+ // license-end regex
+ if(comments[i].match(/\/\/\s*@license\-end/g) != null){
console.log("License end:");
console.log(comments[i])
}
}
}
+ //console.log("VERDICT: probably nonfree");
+ //console.log("VERDICT: probably free");
+}
+
+/**
+*
+* Checks the whitelist in storage
+* (Not the comma seperated whitelist from settings)
+*
+*/
+function is_whitelisted(){
+ // TODO: implement
+ return false;
+
}
-// The Javascript evaluation can be tested as a content script until we have
-// the API features we need to make it run before the page's scripts do.
-// To run this, set it as a content script active on all URLs in the manifest.json.
+/**
+* Parses the weblabels table from a DOM object
+*
+*/
+function read_weblabels_table(weblabel){
+ var tbody = weblabel.getElementsByTagName("td");
+ for(var i = 0; i < tbody.length; i++){
+ var link = tbody[i].getElementsByTagName("a")[0];
+ console.log(link.href);
+ console.log(link.innerText);
+ }
+}
+
+/**
+* Reads the weblabels table from a link.
+*
+*/
+function get_table(url){
+ var xml = new XMLHttpRequest();
+ xml.open("get",url)
+ xml.onload = function(){
+ var a = new DOMParser()
+ var doc = a.parseFromString(this.responseText,"text/html");
+ var web_label = doc.getElementById("jslicense-labels1");
+ if(web_label != null){
+ read_weblabels_table(web_label);
+ }
+ }
+ xml.send();
+}
// called when invoked by the button
-function handler(){
+function analyze(){
+ // TODO: Call get_whitelisted_status on this page's URL
+
+ // Test "the first piece of Javascript available to the page" for the license comment
+ // TODO: Is this supposed to test if the license is free or just assume that it is?
+ if(document.scripts[0] !== undefined){
+ if(document.scripts[0].src != ""){
+ var name = document.scripts[0].src;
+ var xml = new XMLHttpRequest();
+ xml.open("get", document.scripts[0].src);
+ xml.onload = function(response){
+ var matches = this.responseText.match(/@licstart[\s\S]+@licend/g);
+ if(matches != null){
+ console.log("License comment found:");
+ console.log(matches[0]);
+ }
+ }
+ xml.send();
+ } else{
+ console.log("%c Script " + i + ": (src: inline)","color:red;");
+ var matches = document.scripts[0].innerText.match(/@licstart[\s\S]+@licend/g);
+ if(matches != null){
+ console.log("License comment found:");
+ console.log(matches[0]);
+ }
+ }
+ }
+ // Test for the link that has rel="jslicense", data-jslicense="1"
+ for(var i = 0; i < document.links.length; i++){
+ // TODO: also check if data-jslicense == "1". (how?)
+ if(document.links[i].rel == "jslicense"){
+ console.log("Found HTML table link:");
+ get_table(document.links[i].href);
+ break;
+ }
+ }
+ // Test for the JavaScript Web Labels table
+ var weblabel = document.getElementById("jslicense-labels1");
+ if(weblabel !== undefined && weblabel != null){
+ console.log("Found web labels table");
+ read_weblabels_table(weblabel);
+ }
+
+ // Call license_read on all the document's scripts
+ // This is done just to debug before we can implement this in a background script,
+ // where it will have access to the individual script requests and HTML document.
for(var i = 0; i < document.scripts.length; i++){
if(document.scripts[i].src != ""){
+ // it is a remote script ("<script src='/script.js'></script>")
var name = document.scripts[i].src;
var xml = new XMLHttpRequest();
xml.open("get", document.scripts[i].src);
xml.onload = function(response){
- console.log("%c Script " + i + ": (src: " + name + ")","color:red;");
+ console.log("%c Script " + i + ":","color:red;");
+ console.log(name);
license_read(this.responseText);
}
xml.send();
} else{
- name = "inline";
- source = document.scripts[i].innerText;
+ // it is an inline script ("<script>console.log('test');</script>")
console.log("%c Script " + i + ": (src: inline)","color:red;");
- license_read(document.scripts[i]);
+ //console.log(document.scripts[i].innerText);
+ license_read(document.scripts[i].innerText);
}
}
+ // Find all the document's elements with intrinsic events
+ for(var i = 0; i < document.all.length; i++){
+ for(var j = 0; j < intrinsicEvents.length; j++){
+ if(intrinsicEvents[j] in document.all[i].attributes){
+ console.log("intrinsic event JS found in element:");
+ console.log(document.all[i][intrinsicEvents[j]].toString());
+ }
+ }
+
+ }
+
+
}
+
+/**
+* Makes a button appear that calls a function when you press it.
+*
+* I copied and pasted this from something else I wrote. It's quite useful.
+*
+*/
var button_i = 0;
if(document.getElementById("abc123_main_div") !== null){
document.getElementById("abc123_main_div").remove();
}
-
function new_debug_button(name_text,callback){
if(document.getElementById("abc123_main_div") === null){
var to_insert = '<div style="opacity: 0.5; font-size: small; z-index: 2147483647; position: fixed; right: 1%; top: 4%;" id="abc123_main_div"></div>';
@@ -227,7 +354,7 @@ function new_debug_button(name_text,callback){
button_i = button_i + 1;
}
-new_debug_button("Evaluate scripts",handler);
+new_debug_button("Evaluate scripts",analyze);
new_debug_button("Remove these buttons",function(){
if(document.getElementById("abc123_main_div") !== null){
document.getElementById("abc123_main_div").remove();
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 15:48:20 +0000