diff options
| -rw-r--r-- | eval_test.js | 167 |
1 files changed, 117 insertions, 50 deletions
diff --git a/eval_test.js b/eval_test.js index e930a48..d8183cf 100644 --- a/eval_test.js +++ b/eval_test.js @@ -148,8 +148,8 @@ var licenses = { * Runs regexes to search for explicit delcarations of script * licenses on the argument. * It detects: -* // @license, //@license-end -* // licstart, //licend +* //@license, //@license-end +* //licstart, //licen * Returns the identifier string of the license or "fail". * */ @@ -163,13 +163,15 @@ function license_read(script_src){ if(comments == null){ comments = []; } - console.log("%c comments:","color:green;") - console.log(comments); + //console.log("%c comments:","color:green;") + //console.log(comments); // Not sure if there is any better way to do this. + // More than one license section per file should be supported once we can edit scripts + // (this will be converted to edit the script instead of just read it) for(var i = 0; i < comments.length; i++){ if(comments[i] !== undefined){ - // license_start regex + // @license 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); @@ -192,7 +194,10 @@ function license_read(script_src){ if((identifier in licenses) == false){ valid = false; } - console.log("Valid? "+ valid); + console.log("Valid? " + valid); + // TODO: Support more than one block and check for code outside of this block + // Can't be implemented right now since we can't edit scripts. + return valid;// TODO: this is a temporary debug solution } else{ console.log("Valid? false"); } @@ -226,12 +231,22 @@ function is_whitelisted(){ * */ function read_weblabels_table(weblabel){ + var data = {}; 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); + //console.log(link.href); + if(link.innerText in licenses){ + console.log("%cFree: " + link.innerText,"color:green;"); + data[encodeURI(link.innerText)] = "free"; + } else{ + console.log("%cUnknown: " + link.innerText,"color:red;"); + data[encodeURI(link.innerText)] = "unknown"; + } } + console.log("web labels table data:"); + console.log(data); + return data; } /** @@ -240,67 +255,67 @@ function read_weblabels_table(weblabel){ */ function get_table(url){ var xml = new XMLHttpRequest(); - xml.open("get",url) + 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); + read_w_table(read_weblabels_table(web_label)); } } xml.send(); } - - -// called when invoked by the button -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; +function read_w_table(table_data){ + // 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++){ + // convert between relative link and file name (table_data indexes by file name) + var scriptname = document.scripts[i].src.split("/")[document.scripts[0].src.split("/").length-1]; + if(table_data !== undefined && scriptname in table_data){ + console.log("script contained in weblabel data."); + if(table_data[scriptname] == "free"){ + console.log("script is free"); + continue; + } + console.log("script is unknown"); + } + 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[0].src); + xml.open("get", document.scripts[i].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]); - } + console.log("%c Script " + i + ":","color:red;"); + console.log(name); + license_read(this.responseText); } xml.send(); } else{ + // it is an inline script ("<script>console.log('test');</script>") 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]); - } + //console.log(document.scripts[i].innerText); + license_read(document.scripts[i].innerText); } } - // 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; + // 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 '"+intrinsicEvents[j]+"' JS found in element document.all[" + i + "]"); + license_read(document.all[i].attributes[intrinsicEvents[j]].value); + } } } - // 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); - } - +} +function read_wo_table(){ // 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++){ + var scriptname = document.scripts[i].src.split("/")[document.scripts[0].src.split("/").length-1]; + console.log(scriptname); if(document.scripts[i].src != ""){ // it is a remote script ("<script src='/script.js'></script>") var name = document.scripts[i].src; @@ -323,14 +338,66 @@ function analyze(){ 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()); + console.log("intrinsic event '"+intrinsicEvents[j]+"' JS found in element document.all[" + i + "]"); + license_read(document.all[i].attributes[intrinsicEvents[j]].value); } } - + } +} +// called when invoked by the button +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]); + console.log("Trusting that the entire page is freely licensed."); + return "do-nothing"; + } + } + 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]); + console.log("Trusting that the entire page is freely licensed."); + return "do-nothing"; + } + } } - + var table_data = {}; + var found_table_flag = false; + // 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); + found_table_flag = true; + break; + } + } + // Test for the JavaScript Web Labels table on this page + var weblabel = document.getElementById("jslicense-labels1"); + if(weblabel !== undefined && weblabel != null && found_table_flag == false){ + console.log("Found web labels table"); + read_w_table(read_weblabels_table(weblabel)); + } + if(found_table_flag == false){ + read_wo_table(); + } } /** |