whistle
Version:
HTTP, HTTP2, HTTPS, Websocket debugging proxy
422 lines (372 loc) • 11.4 kB
JavaScript
;(function() {
if (typeof window === 'undefined' || typeof Image === 'undefined') {
return;
}
if (window._whistleConsole) {
return;
}
var console = window.console = window.console || {};
var wConsole = window._whistleConsole = {};
var JSON = window.JSON || patchJSON();
function patchJSON() {
var JSON = {};
var rx_escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
function f(n) {
return n < 10
? '0' + n
: n;
}
function this_value() {
return this.valueOf();
}
if (typeof Date.prototype.toJSON !== 'function') {
Date.prototype.toJSON = function () {
return isFinite(this.valueOf())
? this.getUTCFullYear() + '-' +
f(this.getUTCMonth() + 1) + '-' +
f(this.getUTCDate()) + 'T' +
f(this.getUTCHours()) + ':' +
f(this.getUTCMinutes()) + ':' +
f(this.getUTCSeconds()) + 'Z'
: null;
};
Boolean.prototype.toJSON = this_value;
Number.prototype.toJSON = this_value;
String.prototype.toJSON = this_value;
}
var gap,
indent,
meta,
rep;
function quote(string) {
rx_escapable.lastIndex = 0;
return rx_escapable.test(string)
? '"' + string.replace(rx_escapable, function (a) {
var c = meta[a];
return typeof c === 'string'
? c
: '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"'
: '"' + string + '"';
}
function str(key, holder) {
var i,
k,
v,
length,
mind = gap,
partial,
value = holder[key];
if (value && typeof value === 'object' &&
typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
if (typeof rep === 'function') {
value = rep.call(holder, key, value);
}
switch (typeof value) {
case 'string':
return quote(value);
case 'number':
return isFinite(value)
? String(value)
: 'null';
case 'boolean':
case 'null':
return String(value);
case 'object':
if (!value) {
return 'null';
}
gap += indent;
partial = [];
if (Object.prototype.toString.apply(value) === '[object Array]') {
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = str(i, value) || 'null';
}
v = partial.length === 0
? '[]'
: gap
? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']'
: '[' + partial.join(',') + ']';
gap = mind;
return v;
}
if (rep && typeof rep === 'object') {
length = rep.length;
for (i = 0; i < length; i += 1) {
if (typeof rep[i] === 'string') {
k = rep[i];
v = str(k, value);
if (v) {
partial.push(quote(k) + (
gap
? ': '
: ':'
) + v);
}
}
}
} else {
for (k in value) {
if (Object.prototype.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (
gap
? ': '
: ':'
) + v);
}
}
}
}
v = partial.length === 0
? '{}'
: gap
? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}'
: '{' + partial.join(',') + '}';
gap = mind;
return v;
}
}
if (typeof JSON.stringify !== 'function') {
meta = {
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"': '\\"',
'\\': '\\\\'
};
JSON.stringify = function (value, replacer, space) {
var i;
gap = '';
indent = '';
if (typeof space === 'number') {
for (i = 0; i < space; i += 1) {
indent += ' ';
}
} else if (typeof space === 'string') {
indent = space;
}
rep = replacer;
if (replacer && typeof replacer !== 'function' &&
(typeof replacer !== 'object' ||
typeof replacer.length !== 'number')) {
throw new Error('JSON.stringify');
}
return str('', {'': value});
};
}
return JSON;
}
function stringify(obj) {
if (typeof obj === 'function') {
return obj.toString();
}
if (obj instanceof Error) {
var stack = obj.stack;
if (stack && typeof stack === 'string') {
if (obj.message && stack.indexOf(obj.message) === -1) {
return 'Error: ' + obj.message + '\n' + stack;
}
}
return 'Error: ' + obj.message;
}
return obj === undefined ? 'undefined' : obj;
}
var prefixPath;
function getPathPrefix() {
if (prefixPath) {
return prefixPath;
}
prefixPath = window.__WHISTLE_PATH_PREFIX__;
if (/^\/[\w./-]+$/.test(prefixPath) && prefixPath.length <= 128) {
var len = prefixPath.length - 1;
if (prefixPath[len] === '/') {
prefixPath = prefixPath.substring(0, len);
}
} else {
prefixPath = '';
}
return prefixPath;
}
var index = 0;
var MAX_LEN = 1024 * 56;
function addLog(level, text) {
var img = new Image();
var timer;
if (index > 9999) {
index = 0;
}
var logStr = encodeURIComponent(text && (text + ''));
if (logStr.length > MAX_LEN) {
logStr = logStr.substring(0, MAX_LEN);
var percIndex = logStr.indexOf('%', MAX_LEN - 3);
if (percIndex !== -1) {
logStr = logStr.substring(0, percIndex);
}
}
var baseUrl = '$BASE_URL' + getPathPrefix();
img.src = baseUrl + '$LOG_CGI?id=$LOG_ID&level=' + level + '&text=' + logStr
+ '&t=' + new Date().getTime() + '&' + ++index;
var preventGC = function() {
img.onload = img.onerror = null;
clearTimeout(timer);
};
img.onload = img.onerror = preventGC;
timer = setTimeout(preventGC, 3000);
if (typeof window.onWhistleLogSend === 'function') {
window.onWhistleLogSend(level, text);
}
}
function getPageInfo() {
return '\r\nPage Url: ' + location.href + '\r\nUser Agent: ' + navigator.userAgent;
}
function getErrorStack(error, message) {
var stack = (error.stack || error.message) + '';
message = message || error.message;
if (typeof message === 'string') {
var msg = message.substring(message.indexOf(':') + 1);
if (stack.indexOf(msg) === -1) {
stack = message + '\n' + stack;
}
}
return stack + getPageInfo();
}
function arrayIndexOf(arr, value) {
if (arr.indexOf) {
return arr.indexOf(value);
}
for (var i = 0, len = arr.length; i < len; i++) {
if (arr[i] === value) {
return i;
}
}
return -1;
}
function stringifyObj(obj) {
if (typeof obj === 'string') {
return obj;
}
try {
return JSON.stringify(obj);
} catch(e) {}
try {
var keyList = [];
var valList = [];
return JSON.stringify(obj, function(key, value) {
if (value && typeof value === 'object') {
var index = arrayIndexOf(valList, value);
valList.push(value);
keyList.push(key);
if (index !== -1) {
return '[Circular ' + keyList[index] + ']';
}
}
return value;
});
} catch(e) {}
}
var levels = ['fatal', 'error', 'warn', 'info', 'debug', 'log'];
var noop = function() {};
var slice = Array.prototype.slice;
for (var i = 0, len = levels.length; i < len; i++) {
(function(level) {
var fn = console[level] || noop;
var pending;
var wFn = wConsole[level] = function() {
var result = slice.call(arguments);
if (typeof window.onBeforeWhistleLogSend === 'function') {
pending = true;
try {
window.onBeforeWhistleLogSend(result, level);
} catch(e) {
result.push('onBeforeWhistleLogSend' + stringify(e));
} finally {
pending = false;
}
}
for (var i = 0, len = result.length; i < len; i++) {
result[i] = stringify(result[i]);
}
if (!result.length) {
result = ['undefined'];
}
result = stringifyObj(result);
result && addLog(level, result);
};
if ($INTERCEPT_CONSOLE) {
console[level] = function() {
if (pending) {
return;
}
pending = true;
var weinreFn = console['_weinre_' + level];
if (typeof weinreFn === 'function') {
try {
weinreFn.apply(this, arguments);
} catch (e) {}
}
wFn.apply(null, arguments);
try {
fn.apply(this, arguments);
} catch(e) {
fn(arguments.length < 2 ? arguments[0] : slice.apply(arguments));
} finally {
pending = false;
}
};
}
})(levels[i]);
}
/*eslint no-console: "off"*/
var onerror = function(message, filename, lineno, colno, error) {
if (error) {
wConsole.error(getErrorStack(error, message));
} else {
wConsole.error('Error: ' + message + '(' + filename
+ ':' + lineno + ':' + (colno || 0) + ')' + getPageInfo());
}
};
var isWeinreConsole = function(curConsole) {
if (curConsole === console || typeof curConsole.log !== 'function') {
return;
}
return curConsole.log.toString().indexOf('this._generic(MessageLevel.Log,') !== -1;
};
var attachOnError = function() {
if (window.onerror !== onerror) {
window.onerror = onerror;
}
var curConsole = window.console;
if (!curConsole) {
window.console = console;
} else if ($INTERCEPT_CONSOLE && isWeinreConsole(curConsole)) {
for (var i = 0, len = levels.length; i < len; i++) {
var level = levels[i];
var fn = console[level];
var curFn = curConsole[level];
if (fn !== curFn) {
console['_weinre_' + level] = curFn;
curConsole[level] = fn;
}
}
}
setTimeout(attachOnError, 600);
};
attachOnError();
if (typeof window.addEventListener === 'function') {
window.addEventListener('unhandledrejection', function(e) {
var reason = 'UnhandledRejection';
if (e) {
e = stringifyObj(e.reason || e) || String(e);
reason += (/^[\w.-]*:/.test(e) ? ' ' : ': ') + e;
}
wConsole.error(reason);
});
}
})();