diff options
Diffstat (limited to 'lib/html_script_finder/dom_handler/script_object.js')
| -rw-r--r-- | lib/html_script_finder/dom_handler/script_object.js | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/lib/html_script_finder/dom_handler/script_object.js b/lib/html_script_finder/dom_handler/script_object.js new file mode 100644 index 0000000..5431cf6 --- /dev/null +++ b/lib/html_script_finder/dom_handler/script_object.js @@ -0,0 +1,208 @@ +/** + * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript. + * * + * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +var removedScripts = require("script_entries/removed_scripts").removedScripts; + +var acceptedScripts = require("script_entries/accepted_scripts") + .acceptedScripts; +var dryRunScripts = require("script_entries/dryrun_scripts").dryRunScripts; + +var Script = function(props) { + // can be an attribute, an inline script, + // or an external script. + this.type = null; + + /* + * Script.status - The script's current status. + * + * Possible values are: + * + * 0 - unchecked + * 1 - checked + * 2 - accepted + * 3 - rejected + * 4 - jsweblabel + * + * See script_properties.js for definitions. + */ + this.status = null; + + // contains the dom element + this.element = null; + + // the attribute name, if applicable. + this.attribute = null; + + // the script text as a string. + this.value = null; + + // the src url if external. + this.url = null; + + // the script text if inline. + this.text = null; + + this.init(props); +}; + +Script.prototype.init = function(props) { + // check the required elements are present. + if (typeof props === 'undefined') { + throw "Error, missing script entry value in script_object.js"; + } + + // required properties + if (typeof props.type !== 'undefined') { + this.type = props.type; + } else { + throw "type is missing"; + } + + if (typeof props.status !== 'undefined') { + this.status = props.status; + } else { + throw "status is missing"; + } + + if (typeof props.element !== 'undefined') { + this.element = props.element; + } else { + throw "element is missing"; + } + + // conditional properties. + this.url = (props.url) ? props.url : null; + this.text = (props.text) ? props.text : null; + this.jsAttributes = (props.jsAttributes) ? props.jsAttributes : null; + + if (typeof this.text !== 'string' && + this.tree !== null && + typeof this.tree === 'object' && + this.tree.hasOwnProperty('jsCode') + ) { + this.text = this.tree.jsCode; + } +}; + +Script.prototype.tagAsDryRun = function(pageURL, reason, hash) { + var content = this.findContentType(); + var inline = (this.url != undefined) ? false : true; + var url = (inline == false ? this.url : null); + console.debug("url is", url); + this.element.setAttribute('data-librejs', 'dryrun'); + this.element.setAttribute('data-librejs-reason', reason); + + dryRunScripts.addAScript( + pageURL, + {'inline': inline, + 'contents': content, + 'reason': reason, + 'url': url, + 'hash': hash + }); +}; + +Script.prototype.tagAsAccepted = function(pageURL, reason, hash) { + var content = this.findContentType(); + var inline = (this.url != undefined) ? false : true; + var url = (inline == false ? this.url : null); + console.debug("url is", url); + this.element.setAttribute('data-librejs', 'accepted'); + this.element.setAttribute('data-librejs-reason', reason); + + acceptedScripts.addAScript( + pageURL, + {'inline': inline, + 'contents': content, + 'reason': reason, + 'url': url, + 'hash': hash + }); + +}; + +Script.prototype.tagAsRemoved = function(pageURL, reason, hash) { + var content = this.findContentType(); + var inline = (this.url != undefined) ? false : true; + var url = (inline == false ? this.url : null); + this.element.setAttribute('data-librejs', 'rejected'); + this.element.setAttribute('data-librejs-reason', reason); + console.debug("tagAsRemoved hash is", hash); + removedScripts.addAScript(pageURL, { + 'inline': inline, + 'contents': content, + 'reason': reason, + 'url': url, + 'hash': hash + }); + +}; + +Script.prototype.tagAsDryRun = function(pageURL, reason, hash) { + var content = this.findContentType(); + var inline = (this.url != undefined) ? false : true; + var url = (inline == false ? this.url : null); + this.element.setAttribute('data-librejs', 'dryrun'); + this.element.setAttribute('data-librejs-reason', reason); + + dryRunScripts.addAScript( + pageURL, + {'inline': inline, + 'contents': content, + 'reason': reason, + 'url': url, + 'hash': hash + }); +}; + +/** + * removeNarcissusBugLine + * + * Removes the line that is appended to all + * inline scripts and prevent the bug that prevent + * script tags with comments only from being checked. + * + */ +Script.prototype.removeNarcissusBugLine = function(str) { + return str.replace('\n\nthis.narcissusBugFixLibreJS', ''); +}; + +/** + * findContentType + * + * Figure out whether it's an external script, + * an inline script, or an attribute from the property + * that has been set, rather than blindly trusting the given + * constant. + */ +Script.prototype.findContentType = function() { + if (this.url != undefined) { + return ""; + } else if (this.text != undefined) { + return this.element.text; + } else if (this.jsAttributes != undefined) { + // return the array. + return JSON.stringify(this.jsAttributes); + } +}; + +exports.Script = function(props) { + return new Script(props); +}; |