From 9a592753b250defd02867b6dd22b043e5d055821 Mon Sep 17 00:00:00 2001
From: Hillel Coren <hillelcoren@gmail.com>
Date: Sun, 23 Mar 2014 19:54:02 +0200
Subject: [PATCH] Bug fixes

---
 app/libraries/utils.php    |   2 +-
 app/views/header.blade.php |   2 +
 app/views/master.blade.php |   8 +-
 public/js/stacktrace.js    | 485 +++++++++++++++++++++++++++++++++++++
 4 files changed, 494 insertions(+), 3 deletions(-)
 create mode 100644 public/js/stacktrace.js

diff --git a/app/libraries/utils.php b/app/libraries/utils.php
index f4fb3bc68348..7ffacc13f207 100755
--- a/app/libraries/utils.php
+++ b/app/libraries/utils.php
@@ -41,7 +41,7 @@ class Utils
 			'input' => Input::all()
 		];
 
-		Log::error('\n'.$error, $data);
+		Log::error($error."\n", $data);
 
 		/*
 		Mail::queue('emails.error', ['message'=>$error.' '.json_encode($data)], function($message)
diff --git a/app/views/header.blade.php b/app/views/header.blade.php
index 4813ee4d6538..d698718ed697 100755
--- a/app/views/header.blade.php
+++ b/app/views/header.blade.php
@@ -385,6 +385,8 @@
   		}
 
       function submitSignUp() {
+        var d;
+        console.log(d.test());
         $.ajax({
           type: 'POST',
           url: '{{ URL::to('signup/submit') }}',
diff --git a/app/views/master.blade.php b/app/views/master.blade.php
index 113649767ff1..e1db15749cd7 100755
--- a/app/views/master.blade.php
+++ b/app/views/master.blade.php
@@ -17,16 +17,20 @@
     <meta property="og:title" content="Invoice Ninja"></meta>
     <meta property="og:image" content="https://www.invoiceninja.com/images/social.jpg"></meta>
     <meta property="og:description" content="Simple, Intuitive Invoicing."></meta>
-    <meta name="keywords" content="Invoice Ninja"></meta>
+    <meta name="keywords" content="Invoice Ninja"></meta>    
     
+    <script src="{{ asset('js/stacktrace.js') }}" type="text/javascript"></script>  
     <script src="{{ asset('vendor/jquery/jquery.min.js') }}" type="text/javascript"></script>  
+
     <script type="text/javascript">
     window.onerror = function(e) {
+      var trace = printStackTrace();
+      var string = trace.join(' => ');
       try {
         $.ajax({
           type: 'GET',
           url: '{{ URL::to('log_error') }}',
-          data: 'error='+e+'&url='+window.location
+          data: 'error='+encodeURIComponent(e+': '+string)+'&url='+encodeURIComponent(window.location)
         });     
       } catch(err) {}
       return false;
diff --git a/public/js/stacktrace.js b/public/js/stacktrace.js
new file mode 100644
index 000000000000..92169fd825fc
--- /dev/null
+++ b/public/js/stacktrace.js
@@ -0,0 +1,485 @@
+// Domain Public by Eric Wendelin http://eriwen.com/ (2008)
+//                  Luke Smith http://lucassmith.name/ (2008)
+//                  Loic Dachary <loic@dachary.org> (2008)
+//                  Johan Euphrosine <proppy@aminche.com> (2008)
+//                  Oyvind Sean Kinsey http://kinsey.no/blog (2010)
+//                  Victor Homyakov <victor-homyakov@users.sourceforge.net> (2010)
+/*global module, exports, define, ActiveXObject*/
+(function(global, factory) {
+    if (typeof exports === 'object') {
+        // Node
+        module.exports = factory();
+    } else if (typeof define === 'function' && define.amd) {
+        // AMD
+        define(factory);
+    } else {
+        // Browser globals
+        global.printStackTrace = factory();
+    }
+}(this, function() {
+    /**
+     * Main function giving a function stack trace with a forced or passed in Error
+     *
+     * @cfg {Error} e The error to create a stacktrace from (optional)
+     * @cfg {Boolean} guess If we should try to resolve the names of anonymous functions
+     * @return {Array} of Strings with functions, lines, files, and arguments where possible
+     */
+    function printStackTrace(options) {
+        options = options || {guess: true};
+        var ex = options.e || null, guess = !!options.guess;
+        var p = new printStackTrace.implementation(), result = p.run(ex);
+        return (guess) ? p.guessAnonymousFunctions(result) : result;
+    }
+
+    printStackTrace.implementation = function() {
+    };
+
+    printStackTrace.implementation.prototype = {
+        /**
+         * @param {Error} [ex] The error to create a stacktrace from (optional)
+         * @param {String} [mode] Forced mode (optional, mostly for unit tests)
+         */
+        run: function(ex, mode) {
+            ex = ex || this.createException();
+            mode = mode || this.mode(ex);
+            if (mode === 'other') {
+                return this.other(arguments.callee);
+            } else {
+                return this[mode](ex);
+            }
+        },
+
+        createException: function() {
+            try {
+                this.undef();
+            } catch (e) {
+                return e;
+            }
+        },
+
+        /**
+         * Mode could differ for different exception, e.g.
+         * exceptions in Chrome may or may not have arguments or stack.
+         *
+         * @return {String} mode of operation for the exception
+         */
+        mode: function(e) {
+            if (e['arguments'] && e.stack) {
+                return 'chrome';
+            }
+
+            if (e.stack && e.sourceURL) {
+                return 'safari';
+            }
+
+            if (e.stack && e.number) {
+                return 'ie';
+            }
+
+            if (e.stack && e.fileName) {
+                return 'firefox';
+            }
+
+            if (e.message && e['opera#sourceloc']) {
+                // e.message.indexOf("Backtrace:") > -1 -> opera9
+                // 'opera#sourceloc' in e -> opera9, opera10a
+                // !e.stacktrace -> opera9
+                if (!e.stacktrace) {
+                    return 'opera9'; // use e.message
+                }
+                if (e.message.indexOf('\n') > -1 && e.message.split('\n').length > e.stacktrace.split('\n').length) {
+                    // e.message may have more stack entries than e.stacktrace
+                    return 'opera9'; // use e.message
+                }
+                return 'opera10a'; // use e.stacktrace
+            }
+
+            if (e.message && e.stack && e.stacktrace) {
+                // e.stacktrace && e.stack -> opera10b
+                if (e.stacktrace.indexOf("called from line") < 0) {
+                    return 'opera10b'; // use e.stacktrace, format differs from 'opera10a'
+                }
+                // e.stacktrace && e.stack -> opera11
+                return 'opera11'; // use e.stacktrace, format differs from 'opera10a', 'opera10b'
+            }
+
+            if (e.stack && !e.fileName) {
+                // Chrome 27 does not have e.arguments as earlier versions,
+                // but still does not have e.fileName as Firefox
+                return 'chrome';
+            }
+
+            return 'other';
+        },
+
+        /**
+         * Given a context, function name, and callback function, overwrite it so that it calls
+         * printStackTrace() first with a callback and then runs the rest of the body.
+         *
+         * @param {Object} context of execution (e.g. window)
+         * @param {String} functionName to instrument
+         * @param {Function} callback function to call with a stack trace on invocation
+         */
+        instrumentFunction: function(context, functionName, callback) {
+            context = context || window;
+            var original = context[functionName];
+            context[functionName] = function instrumented() {
+                callback.call(this, printStackTrace().slice(4));
+                return context[functionName]._instrumented.apply(this, arguments);
+            };
+            context[functionName]._instrumented = original;
+        },
+
+        /**
+         * Given a context and function name of a function that has been
+         * instrumented, revert the function to it's original (non-instrumented)
+         * state.
+         *
+         * @param {Object} context of execution (e.g. window)
+         * @param {String} functionName to de-instrument
+         */
+        deinstrumentFunction: function(context, functionName) {
+            if (context[functionName].constructor === Function &&
+                context[functionName]._instrumented &&
+                context[functionName]._instrumented.constructor === Function) {
+                context[functionName] = context[functionName]._instrumented;
+            }
+        },
+
+        /**
+         * Given an Error object, return a formatted Array based on Chrome's stack string.
+         *
+         * @param e - Error object to inspect
+         * @return Array<String> of function calls, files and line numbers
+         */
+        chrome: function(e) {
+            return (e.stack + '\n')
+                .replace(/^[\s\S]+?\s+at\s+/, ' at ') // remove message
+                .replace(/^\s+(at eval )?at\s+/gm, '') // remove 'at' and indentation
+                .replace(/^([^\(]+?)([\n$])/gm, '{anonymous}() ($1)$2')
+                .replace(/^Object.<anonymous>\s*\(([^\)]+)\)/gm, '{anonymous}() ($1)')
+                .replace(/^(.+) \((.+)\)$/gm, '$1@$2')
+                .split('\n')
+                .slice(0, -1);
+        },
+
+        /**
+         * Given an Error object, return a formatted Array based on Safari's stack string.
+         *
+         * @param e - Error object to inspect
+         * @return Array<String> of function calls, files and line numbers
+         */
+        safari: function(e) {
+            return e.stack.replace(/\[native code\]\n/m, '')
+                .replace(/^(?=\w+Error\:).*$\n/m, '')
+                .replace(/^@/gm, '{anonymous}()@')
+                .split('\n');
+        },
+
+        /**
+         * Given an Error object, return a formatted Array based on IE's stack string.
+         *
+         * @param e - Error object to inspect
+         * @return Array<String> of function calls, files and line numbers
+         */
+        ie: function(e) {
+            return e.stack
+                .replace(/^\s*at\s+(.*)$/gm, '$1')
+                .replace(/^Anonymous function\s+/gm, '{anonymous}() ')
+                .replace(/^(.+)\s+\((.+)\)$/gm, '$1@$2')
+                .split('\n')
+                .slice(1);
+        },
+
+        /**
+         * Given an Error object, return a formatted Array based on Firefox's stack string.
+         *
+         * @param e - Error object to inspect
+         * @return Array<String> of function calls, files and line numbers
+         */
+        firefox: function(e) {
+            return e.stack.replace(/(?:\n@:0)?\s+$/m, '')
+                .replace(/^(?:\((\S*)\))?@/gm, '{anonymous}($1)@')
+                .split('\n');
+        },
+
+        opera11: function(e) {
+            var ANON = '{anonymous}', lineRE = /^.*line (\d+), column (\d+)(?: in (.+))? in (\S+):$/;
+            var lines = e.stacktrace.split('\n'), result = [];
+
+            for (var i = 0, len = lines.length; i < len; i += 2) {
+                var match = lineRE.exec(lines[i]);
+                if (match) {
+                    var location = match[4] + ':' + match[1] + ':' + match[2];
+                    var fnName = match[3] || "global code";
+                    fnName = fnName.replace(/<anonymous function: (\S+)>/, "$1").replace(/<anonymous function>/, ANON);
+                    result.push(fnName + '@' + location + ' -- ' + lines[i + 1].replace(/^\s+/, ''));
+                }
+            }
+
+            return result;
+        },
+
+        opera10b: function(e) {
+            // "<anonymous function: run>([arguments not available])@file://localhost/G:/js/stacktrace.js:27\n" +
+            // "printStackTrace([arguments not available])@file://localhost/G:/js/stacktrace.js:18\n" +
+            // "@file://localhost/G:/js/test/functional/testcase1.html:15"
+            var lineRE = /^(.*)@(.+):(\d+)$/;
+            var lines = e.stacktrace.split('\n'), result = [];
+
+            for (var i = 0, len = lines.length; i < len; i++) {
+                var match = lineRE.exec(lines[i]);
+                if (match) {
+                    var fnName = match[1] ? (match[1] + '()') : "global code";
+                    result.push(fnName + '@' + match[2] + ':' + match[3]);
+                }
+            }
+
+            return result;
+        },
+
+        /**
+         * Given an Error object, return a formatted Array based on Opera 10's stacktrace string.
+         *
+         * @param e - Error object to inspect
+         * @return Array<String> of function calls, files and line numbers
+         */
+        opera10a: function(e) {
+            // "  Line 27 of linked script file://localhost/G:/js/stacktrace.js\n"
+            // "  Line 11 of inline#1 script in file://localhost/G:/js/test/functional/testcase1.html: In function foo\n"
+            var ANON = '{anonymous}', lineRE = /Line (\d+).*script (?:in )?(\S+)(?:: In function (\S+))?$/i;
+            var lines = e.stacktrace.split('\n'), result = [];
+
+            for (var i = 0, len = lines.length; i < len; i += 2) {
+                var match = lineRE.exec(lines[i]);
+                if (match) {
+                    var fnName = match[3] || ANON;
+                    result.push(fnName + '()@' + match[2] + ':' + match[1] + ' -- ' + lines[i + 1].replace(/^\s+/, ''));
+                }
+            }
+
+            return result;
+        },
+
+        // Opera 7.x-9.2x only!
+        opera9: function(e) {
+            // "  Line 43 of linked script file://localhost/G:/js/stacktrace.js\n"
+            // "  Line 7 of inline#1 script in file://localhost/G:/js/test/functional/testcase1.html\n"
+            var ANON = '{anonymous}', lineRE = /Line (\d+).*script (?:in )?(\S+)/i;
+            var lines = e.message.split('\n'), result = [];
+
+            for (var i = 2, len = lines.length; i < len; i += 2) {
+                var match = lineRE.exec(lines[i]);
+                if (match) {
+                    result.push(ANON + '()@' + match[2] + ':' + match[1] + ' -- ' + lines[i + 1].replace(/^\s+/, ''));
+                }
+            }
+
+            return result;
+        },
+
+        // Safari 5-, IE 9-, and others
+        other: function(curr) {
+            var ANON = '{anonymous}', fnRE = /function\s*([\w\-$]+)?\s*\(/i, stack = [], fn, args, maxStackSize = 10;
+            var slice = Array.prototype.slice;
+            while (curr && curr['arguments'] && stack.length < maxStackSize) {
+                fn = fnRE.test(curr.toString()) ? RegExp.$1 || ANON : ANON;
+                args = slice.call(curr['arguments'] || []);
+                stack[stack.length] = fn + '(' + this.stringifyArguments(args) + ')';
+                try {
+                    curr = curr.caller;
+                } catch (e) {
+                    stack[stack.length] = '' + e;
+                    break;
+                }
+            }
+            return stack;
+        },
+
+        /**
+         * Given arguments array as a String, substituting type names for non-string types.
+         *
+         * @param {Arguments,Array} args
+         * @return {String} stringified arguments
+         */
+        stringifyArguments: function(args) {
+            var result = [];
+            var slice = Array.prototype.slice;
+            for (var i = 0; i < args.length; ++i) {
+                var arg = args[i];
+                if (arg === undefined) {
+                    result[i] = 'undefined';
+                } else if (arg === null) {
+                    result[i] = 'null';
+                } else if (arg.constructor) {
+                    // TODO constructor comparison does not work for iframes
+                    if (arg.constructor === Array) {
+                        if (arg.length < 3) {
+                            result[i] = '[' + this.stringifyArguments(arg) + ']';
+                        } else {
+                            result[i] = '[' + this.stringifyArguments(slice.call(arg, 0, 1)) + '...' + this.stringifyArguments(slice.call(arg, -1)) + ']';
+                        }
+                    } else if (arg.constructor === Object) {
+                        result[i] = '#object';
+                    } else if (arg.constructor === Function) {
+                        result[i] = '#function';
+                    } else if (arg.constructor === String) {
+                        result[i] = '"' + arg + '"';
+                    } else if (arg.constructor === Number) {
+                        result[i] = arg;
+                    } else {
+                        result[i] = '?';
+                    }
+                }
+            }
+            return result.join(',');
+        },
+
+        sourceCache: {},
+
+        /**
+         * @return the text from a given URL
+         */
+        ajax: function(url) {
+            var req = this.createXMLHTTPObject();
+            if (req) {
+                try {
+                    req.open('GET', url, false);
+                    //req.overrideMimeType('text/plain');
+                    //req.overrideMimeType('text/javascript');
+                    req.send(null);
+                    //return req.status == 200 ? req.responseText : '';
+                    return req.responseText;
+                } catch (e) {
+                }
+            }
+            return '';
+        },
+
+        /**
+         * Try XHR methods in order and store XHR factory.
+         *
+         * @return <Function> XHR function or equivalent
+         */
+        createXMLHTTPObject: function() {
+            var xmlhttp, XMLHttpFactories = [
+                function() {
+                    return new XMLHttpRequest();
+                }, function() {
+                    return new ActiveXObject('Msxml2.XMLHTTP');
+                }, function() {
+                    return new ActiveXObject('Msxml3.XMLHTTP');
+                }, function() {
+                    return new ActiveXObject('Microsoft.XMLHTTP');
+                }
+            ];
+            for (var i = 0; i < XMLHttpFactories.length; i++) {
+                try {
+                    xmlhttp = XMLHttpFactories[i]();
+                    // Use memoization to cache the factory
+                    this.createXMLHTTPObject = XMLHttpFactories[i];
+                    return xmlhttp;
+                } catch (e) {
+                }
+            }
+        },
+
+        /**
+         * Given a URL, check if it is in the same domain (so we can get the source
+         * via Ajax).
+         *
+         * @param url <String> source url
+         * @return <Boolean> False if we need a cross-domain request
+         */
+        isSameDomain: function(url) {
+            return typeof location !== "undefined" && url.indexOf(location.hostname) !== -1; // location may not be defined, e.g. when running from nodejs.
+        },
+
+        /**
+         * Get source code from given URL if in the same domain.
+         *
+         * @param url <String> JS source URL
+         * @return <Array> Array of source code lines
+         */
+        getSource: function(url) {
+            // TODO reuse source from script tags?
+            if (!(url in this.sourceCache)) {
+                this.sourceCache[url] = this.ajax(url).split('\n');
+            }
+            return this.sourceCache[url];
+        },
+
+        guessAnonymousFunctions: function(stack) {
+            for (var i = 0; i < stack.length; ++i) {
+                var reStack = /\{anonymous\}\(.*\)@(.*)/,
+                    reRef = /^(.*?)(?::(\d+))(?::(\d+))?(?: -- .+)?$/,
+                    frame = stack[i], ref = reStack.exec(frame);
+
+                if (ref) {
+                    var m = reRef.exec(ref[1]);
+                    if (m) { // If falsey, we did not get any file/line information
+                        var file = m[1], lineno = m[2], charno = m[3] || 0;
+                        if (file && this.isSameDomain(file) && lineno) {
+                            var functionName = this.guessAnonymousFunction(file, lineno, charno);
+                            stack[i] = frame.replace('{anonymous}', functionName);
+                        }
+                    }
+                }
+            }
+            return stack;
+        },
+
+        guessAnonymousFunction: function(url, lineNo, charNo) {
+            var ret;
+            try {
+                ret = this.findFunctionName(this.getSource(url), lineNo);
+            } catch (e) {
+                ret = 'getSource failed with url: ' + url + ', exception: ' + e.toString();
+            }
+            return ret;
+        },
+
+        findFunctionName: function(source, lineNo) {
+            // FIXME findFunctionName fails for compressed source
+            // (more than one function on the same line)
+            // function {name}({args}) m[1]=name m[2]=args
+            var reFunctionDeclaration = /function\s+([^(]*?)\s*\(([^)]*)\)/;
+            // {name} = function ({args}) TODO args capture
+            // /['"]?([0-9A-Za-z_]+)['"]?\s*[:=]\s*function(?:[^(]*)/
+            var reFunctionExpression = /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*function\b/;
+            // {name} = eval()
+            var reFunctionEvaluation = /['"]?([$_A-Za-z][$_A-Za-z0-9]*)['"]?\s*[:=]\s*(?:eval|new Function)\b/;
+            // Walk backwards in the source lines until we find
+            // the line which matches one of the patterns above
+            var code = "", line, maxLines = Math.min(lineNo, 20), m, commentPos;
+            for (var i = 0; i < maxLines; ++i) {
+                // lineNo is 1-based, source[] is 0-based
+                line = source[lineNo - i - 1];
+                commentPos = line.indexOf('//');
+                if (commentPos >= 0) {
+                    line = line.substr(0, commentPos);
+                }
+                // TODO check other types of comments? Commented code may lead to false positive
+                if (line) {
+                    code = line + code;
+                    m = reFunctionExpression.exec(code);
+                    if (m && m[1]) {
+                        return m[1];
+                    }
+                    m = reFunctionDeclaration.exec(code);
+                    if (m && m[1]) {
+                        //return m[1] + "(" + (m[2] || "") + ")";
+                        return m[1];
+                    }
+                    m = reFunctionEvaluation.exec(code);
+                    if (m && m[1]) {
+                        return m[1];
+                    }
+                }
+            }
+            return '(?)';
+        }
+    };
+
+    return printStackTrace;
+}));