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Ready use the JSON-RPC 2.0 based stateless proxy

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Namhyeon Go 2024-11-23 21:10:06 +09:00
parent 8942a98431
commit 3fa72f86d6
2 changed files with 82 additions and 45 deletions
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123
lib/http.js
View File

@ -1,5 +1,5 @@
// http.js
// HTTP REST Client for WelsonJS framework
// HTTP Client for WelsonJS framework
// Namhyeon Go (Catswords Research) <abuse@catswords.net>
// https://github.com/gnh1201/welsonjs
var SYS = require("lib/system");
@ -102,7 +102,7 @@ var HTTPObject = function(engine) {
this._interface = null;
this.contentType = "application/x-www-form-urlencoded";
this.requestBody = "";
this.requestBody = null;
this.responseBody = null;
this.method = "GET";
this.headers = {};
@ -117,8 +117,11 @@ var HTTPObject = function(engine) {
"protocol": "http",
"host": "127.0.0.1",
"port": 80,
"credential": null, // { username: "user", password: "pass" }
"url": null // stateless only
"credential": null, // e.g. { username: "user", password: "pass" }
"method": null, // for stateless only. e.g. GET, POST
"url": null, // for stateless only. e.g. http://localhost:8080
"userAgent": null, // for stateless only
"rpcMethod": "relay_fetch_url" // for stateless proxy
};
this.engine = (typeof(engine) !== "undefined" ? engine : "MSXML");
@ -219,18 +222,18 @@ var HTTPObject = function(engine) {
this.jqAjax = function(url, callback, onError) {
var options = {
type: this.method,
type: this.getMethod(),
headers: this.headers,
url: this.serializeParameters(url),
//data: this.requestBody,
data: null,
contentType: this.contentType,
success: callback,
async: this.isAsynchronous,
error: onError // (request, status, error)
error: onError // f(request, status, error)
};
if (["POST", "PUT", "PATCH"].indexOf(this.method) > -1) {
options['data'] = this.requestBody;
options['data'] = this.serialize();
}
this.setResponseBody(window.jQuery.ajax(options).responseText);
@ -245,11 +248,11 @@ var HTTPObject = function(engine) {
if (this.dataType === "json") {
return true;
} else if (this.engine == "MSXML") {
var headers = this.getHeaders();
var headers = this.getResponseHeaders();
for (var key in headers) {
var _k = key.toLowerCase();
var _v = headers[key].toLowerCase();
if (_k === "content-type" && _v === "application/json") {
var header_key = key.toLowerCase();
var header_value = headers[key].toLowerCase();
if (header_key === "content-type" && header_value === "application/json") {
this.dataType = "json";
return true;
}
@ -284,7 +287,7 @@ var HTTPObject = function(engine) {
this.proxy.credential = availableProxy['credential'] || this.proxy.credential;
this.proxy.url = availableProxy['url'] || this.proxy.url;
console.info("Please check documentation:", availableProxy.documentation);
console.info("See the documentation:", availableProxy.documentation);
}
}
@ -296,6 +299,11 @@ var HTTPObject = function(engine) {
this.proxy[k] = proxy[k];
}
// When JSON-RPC 2.0 based stateless proxy
if (this.proxy.type == "stateless-jsonrpc2") {
this.proxy.method = "POST";
}
// check proxy configuration
console.info("Proxy Configuration:", JSON.stringify(this.proxy));
@ -306,6 +314,10 @@ var HTTPObject = function(engine) {
this.method = method;
return this;
};
this.getMethod = function() {
return (this.proxy.method != null ? this.proxy.method : this.method);
};
this.setDataType = function(type) {
this.dataType = type;
@ -358,25 +370,24 @@ var HTTPObject = function(engine) {
}
}
} catch (e) {
console.error("HTTPObject.setHeaders() -> ", e.message);
console.error("Exception on HTTPObject.setHeaders():", e.message);
}
return this;
};
this.getHeader = function(key) {
this.getResponseHeader = function(key) {
try {
return this._interface.getResponseHeader(key);
} catch (e) {
console.error("HTTPObject.getHeader() -> ", e.message);
console.error("Exception on HTTPObject.getResponseHeader():", e.message);
}
};
this.getHeaders = function() {
this.getResponseHeaders = function(callback) {
try {
var raw = this._interface.getAllResponseHeaders();
return raw.split(/[\r\n]+/).filter(function(s) {
var text = this._interface.getAllResponseHeaders();
var headers = text.split(/[\r\n]+/).filter(function(s) {
return s.trim().length > 0;
}).map(function(s) {
return s.trim().split(": ");
@ -384,11 +395,33 @@ var HTTPObject = function(engine) {
acc[c[0].trim()] = c[1].trim();
return acc;
}, {});
if (typeof callback !== "function") {
return headers;
}
return callback(headers);
} catch (e) {
console.error("HTTPObject.getHeaders() -> ", e.message);
console.error("Exception on HTTPObject.getResponseHeaders():", e.message);
}
};
this.getRequestHeader = function(key) {
return this.headers[key];
}
this.getRequestHeaders = function(callback) {
try {
if (typeof callback !== "function") {
return this.headers;
}
return callback(this.headers);
} catch (e) {
console.error("Exception on HTTPObject.getRequestHeaders():", e.message);
}
};
this.setParameter = function(key, value) {
this.parameters[key] = value;
return this;
@ -406,7 +439,7 @@ var HTTPObject = function(engine) {
this.setParameter(key, value);
}
} catch (e) {
console.error("HTTPObject.setParameters() -> ", e.message);
console.error("Exception on HTTPObject.setParameters():", e.message);
}
return this;
};
@ -440,22 +473,26 @@ var HTTPObject = function(engine) {
this.userAgent = agent;
return this;
};
this.getUserAgent = function() {
return (this.proxy.userAgent != null ? this.proxy.userAgent : this.userAgent);
};
this.serialize = function() {
if (this.isJSONRequest() && typeof(this.requestBody) === "object") {
if (this.isJSONRequest() && typeof this.requestBody === "object") {
return JSON.stringify(this.requestBody);
} else if (typeof(this.requestBody) === "object") {
return this.serializeURL(this.evaluate(this.requestBody));
} else if (typeof this.requestBody === "object") {
return this.serializeURL(this.requestBody);
} else {
return this.evaluate(this.requestBody);
}
};
this.serializeURL = function(parameters) {
this.serializeURL = function(params) {
var s = [];
for (var k in parameters) {
if (parameters.hasOwnProperty(k)) {
s.push(encodeURIComponent(k) + "=" + encodeURIComponent(this.evaluate(parameters[k])));
for (var k in params) {
if (params.hasOwnProperty(k)) {
s.push(encodeURIComponent(k) + "=" + encodeURIComponent(this.evaluate(params[k])));
}
}
return s.join("&");
@ -493,7 +530,7 @@ var HTTPObject = function(engine) {
return url;
};
this.getProxiedURL = function(url) {
this.getProxiedUrl = function(url) {
if (!this.proxy.enabled) return url;
if (this.proxy.type == "serp") {
@ -547,12 +584,12 @@ var HTTPObject = function(engine) {
this.setMethod(method.toUpperCase()); // set method
this.pushState(null, null, url); // push state
this.setHeader("User-Agent", this.evaluate(this.userAgent)); // user agent
this.setHeader("User-Agent", this.evaluate(this.getUserAgent())); // user agent
try {
if (this.engine == "MSXML") {
// Get the proxied URL
url = this.getProxiedURL(url);
url = this.getProxiedUrl(url);
// Open the URL
switch (this.method) {
@ -617,7 +654,7 @@ var HTTPObject = function(engine) {
this._interface.setRequestHeader(key, this.evaluate(this.headers[key]));
}
switch (this.method) {
switch (this.getMethod()) {
case "GET":
this._interface.send();
break;
@ -636,7 +673,7 @@ var HTTPObject = function(engine) {
// Make CURL context
var state = this.states[this.states.length - 1];
var cmd = [];
var url = this.getProxiedURL(state.url);
var url = this.getProxiedUrl(state.url);
if (this.isDebugging) {
cmd.push("-v");
@ -651,7 +688,7 @@ var HTTPObject = function(engine) {
}
cmd.push("-X");
cmd.push(this.method);
cmd.push(this.getMethod());
if (Object.keys(this.headers).length > 0) {
for (var key in this.headers) {
@ -674,7 +711,7 @@ var HTTPObject = function(engine) {
}
cmd.push("-A");
cmd.push(this.evaluate(this.userAgent));
cmd.push(this.evaluate(this.getUserAgent()));
// --connect-timeout
if (this.connectTimeout > 0) {
@ -697,7 +734,7 @@ var HTTPObject = function(engine) {
}
// Add the request body if this is not GET method
if (this.method !== "GET") {
if (this.getMethod() !== "GET") {
cmd.push("-d");
cmd.push(replaceAndExcludeCaretAnd(this.serialize()));
}
@ -782,10 +819,10 @@ var HTTPObject = function(engine) {
var job_priority = "normal";
var state = this.states[this.states.length - 1];
var cmd = ["/transfer", job_name];
var url = this.getProxiedURL(state.url);
var url = this.getProxiedUrl(state.url);
var out = PipeIPC.connect("volatile");
if (this.method == "GET") {
if (this.getMethod() == "GET") {
cmd = cmd.concat(["/download", "/priority", job_priority, url, SYS.getCurrentScriptDirectory() + "\\" + out.path]); // build a BITS command
this._interface.exec(cmd); // launch the download job
out.reload(); // read the downloaded data
@ -799,7 +836,7 @@ var HTTPObject = function(engine) {
} else if (this.engine == "CERT") {
var state = this.states[this.states.length - 1];
var out = PipeIPC.connect("volatile");
var url = this.getProxiedURL(state.url);
var url = this.getProxiedUrl(state.url);
var cmd = ["-urlcache", "-split", "-f", url, out.path];
this._interface.exec(cmd);
out.reload();
@ -1232,7 +1269,7 @@ exports.parseURL = parseURL;
exports.DEFAULT_USER_AGENT = DEFAULT_USER_AGENT;
exports.defaultUserAgent = DEFAULT_USER_AGENT; // compatible
exports.VERSIONINFO = "WelsonJS HTTP Client (http.js) version 0.7.41";
exports.VERSIONINFO = "HTTP Client for WelsonJS framework (http.js) version 0.7.41";
exports.AUTHOR = "abuse@catswords.net";
exports.global = global;
exports.require = global.require;

4
lib/jsonrpc2.js
View File

@ -4,7 +4,7 @@
// https://github.com/gnh1201/welsonjs
var HTTP = require("lib/http");
function jsonrpc2(url) {
function JsonRpc2(url) {
this.url = url;
this.userAgent = "php-httpproxy/0.1.5 (Client; WelsonJS; abuse@catswords.net)";
@ -46,7 +46,7 @@ function wrap(method, params, id) {
}
function create(url) {
return new jsonrpc2(url);
return new JsonRpc2(url);
}
exports.wrap = wrap;