Falk Werner
4 years ago
parent
824234d708
commit
8e27567857
@ -0,0 +1 @@
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!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.webfuse=t():e.webfuse=t()}(window,(function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var s=t[n]={i:n,l:!1,exports:{}};return e[n].call(s.exports,s,s.exports,r),s.l=!0,s.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var s in e)r.d(n,s,function(t){return e[t]}.bind(null,s));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=0)}([function(e,t,r){"use strict";r.r(t),r.d(t,"BadState",(function(){return n})),r.d(t,"Provider",(function(){return s})),r.d(t,"FileMode",(function(){return i})),r.d(t,"Client",(function(){return o}));class n extends Error{static get BAD(){return 1}static get NOT_IMPLEMENTED(){return 2}static get TIMEOUT(){return 3}static get FORMAT(){return 4}static get NO_ENTRY(){return 101}static get NO_ACCESS(){return 102}constructor(e){super("Bad State"),this.code=e}}class s{async lookup(e,t){throw new n(n.NOT_IMPLEMENTED)}async getattr(e){throw new n(n.NOT_IMPLEMENTED)}async readdir(e){throw new n(n.NOT_IMPLEMENTED)}async open(e,t){throw new n(n.NOT_IMPLEMENTED)}close(e,t,r){}async read(e,t,r,s){throw new n(n.NOT_IMPLEMENTED)}}class i{static get ACCESS_MODE(){return 3}static get READONLY(){return 0}static get WRITEONLY(){return 1}static get READWRITE(){return 2}static get CREATE(){return 64}static get EXCLUSIVE(){return 128}static get TRUNKATE(){return 512}static get APPEND(){return 1024}}class o{static get _PROTOCOL(){return"webfuse-adapter-server"}constructor(e){this._provider={},this._pendingRequests={},this._id=0,this._ws=null,this.onopen=()=>{},this.onclose=()=>{},this.onerror=()=>{}}connectTo(e){this.disconnect(),this._ws=new WebSocket(e,o._PROTOCOL),this._ws.onopen=this.onopen,this._ws.onclose=this.onclose,this._ws.onerror=this.onerror,this._ws.onmessage=e=>{this._onmessage(e)}}_invokeRequest(e,t){this._id+=1;const r=this._id,n={method:e,params:t,id:r};return new Promise((e,t)=>{this._pendingRequests[r]={resolve:e,reject:t},this._ws.send(JSON.stringify(n))})}authenticate(e,t){return this._invokeRequest("authenticate",[e,t])}addProvider(e,t){this._provider[e]=t;const r={method:"add_filesystem",params:[e],id:23};this._ws.send(JSON.stringify(r))}disconnect(){this._ws&&(this._ws.close(),this._ws=null)}isConnected(){return this._ws&&this._ws.readyState===WebSocket.OPEN}_isRequest(e){return"string"==typeof e.method&&"params"in e}_isResponse(e){return"number"==typeof e.id&&("result"in e||"error"in e)}_removePendingRequest(e){let t=null;return e in this._pendingRequests&&(t=this._pendingRequests[e],Reflect.deleteProperty(this._pendingRequests,e)),t}_onmessage(e){try{const t=JSON.parse(e.data);if(this._isRequest(t)){const e=t.method,r=t.id,n=t.params;"number"==typeof r?this._invoke(e,n,r):this._notify(e,n)}else if(this._isResponse(t)){const e=t.id,r=t.result,n=t.error,s=this._removePendingRequest(e);s&&(r?s.resolve(r):s.reject(n))}}catch(e){}}_invoke(e,t,r){this._invokeAsync(e,t).then(e=>{const t={result:e,id:r};this._ws.send(JSON.stringify(t))}).catch(e=>{const t={error:{code:e.code||n.BAD},id:r};this._ws.send(JSON.stringify(t))})}async _invokeAsync(e,t){switch(e){case"lookup":return this._lookup(t);case"getattr":return this._getattr(t);case"readdir":return this._readdir(t);case"open":return this._open(t);case"read":return this._read(t);default:throw new n(n.NOT_IMPLEMENTED)}}_notify(e,t){switch(e){case"close":this._close(t);break;default:throw new Error(`Invalid method: "${e}"`)}}_getProvider(e){if(e in this._provider)return this._provider[e];throw new Error("Unknown provider")}async _lookup([e,t,r]){return this._getProvider(e).lookup(t,r)}async _getattr([e,t]){return this._getProvider(e).getattr(t)}async _readdir([e,t]){return this._getProvider(e).readdir(t)}async _open([e,t,r]){return this._getProvider(e).open(t,r)}_close([e,t,r,n]){this._getProvider(e).close(t,r,n)}async _read([e,t,r,s,i]){const o=this._getProvider(e),u=await o.read(t,r,s,i);if("string"==typeof u)return{data:btoa(u),format:"base64",count:u.length};throw new n(n.BAD)}}}])}));
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@ -1 +0,0 @@
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!function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=0)}([function(e,t){e.exports={}}]);
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export class BadState extends Error {
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static get BAD() { return 1; }
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static get NOT_IMPLEMENTED() { return 2; }
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static get TIMEOUT() { return 3; }
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static get FORMAT() { return 4; }
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static get NO_ENTRY() { return 101; }
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static get NO_ACCESS() { return 102; }
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constructor(code) {
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super("Bad State");
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this.code = code;
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}
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}
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import { BadState } from "./bad_state.js";
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export class Client {
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static get _PROTOCOL() { return "webfuse-adapter-server"; }
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constructor(provider) {
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this._provider = { };
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this._pendingRequests = {};
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this._id = 0;
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this._ws = null;
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this.onopen = () => { };
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this.onclose = () => { };
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this.onerror = () => { };
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}
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connectTo(url) {
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this.disconnect();
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this._ws = new WebSocket(url, Client._PROTOCOL);
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this._ws.onopen = this.onopen;
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this._ws.onclose = this.onclose;
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this._ws.onerror = this.onerror;
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this._ws.onmessage = (message) => {
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this._onmessage(message);
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};
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}
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_invokeRequest(method, params) {
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this._id += 1;
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const id = this._id;
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const request = {method, params, id};
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return new Promise((resolve, reject) => {
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this._pendingRequests[id] = {resolve, reject};
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this._ws.send(JSON.stringify(request));
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});
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}
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authenticate(type, credentials) {
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return this._invokeRequest("authenticate", [type, credentials]);
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}
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addProvider(name, provider) {
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this._provider[name] = provider;
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const request = {
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"method": "add_filesystem",
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"params": [name],
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"id": 23
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};
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this._ws.send(JSON.stringify(request));
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}
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disconnect() {
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if (this._ws) {
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this._ws.close();
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this._ws = null;
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}
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}
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isConnected() {
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return ((this._ws) && (this._ws.readyState === WebSocket.OPEN));
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}
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_isRequest(request) {
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const method = request.method;
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return (("string" === typeof(method)) && ("params" in request));
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}
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_isResponse(response) {
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const id = response.id;
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return (("number" === typeof(id)) && (("result" in response) || ("error" in response)));
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}
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_removePendingRequest(id) {
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let result = null;
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if (id in this._pendingRequests) {
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result = this._pendingRequests[id];
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Reflect.deleteProperty(this._pendingRequests, id);
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}
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return result;
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}
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_onmessage(message) {
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try {
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const data = JSON.parse(message.data);
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if (this._isRequest(data)) {
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const method = data.method;
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const id = data.id;
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const params = data.params;
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if ("number" === typeof(id)) {
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this._invoke(method, params, id);
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}
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else {
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this._notify(method, params);
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}
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}
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else if (this._isResponse(data)) {
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const id = data.id;
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const result = data.result;
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const error = data.error;
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const request = this._removePendingRequest(id);
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if (request) {
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if (result) {
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request.resolve(result);
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}
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else {
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request.reject(error);
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}
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}
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}
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}
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catch (ex) {
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// swallow
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}
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}
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_invoke(method, params, id) {
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this._invokeAsync(method, params).
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then((result) => {
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const response = { result, id };
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this._ws.send(JSON.stringify(response));
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}).
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catch((ex) => {
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const code = ex.code || BadState.BAD;
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const response = {error: {code}, id};
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this._ws.send(JSON.stringify(response));
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});
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}
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async _invokeAsync(method, params) {
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switch(method)
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{
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case "lookup":
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return this._lookup(params);
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case "getattr":
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return this._getattr(params);
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case "readdir":
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return this._readdir(params);
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case "open":
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return this._open(params);
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case "read":
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return this._read(params);
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default:
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throw new BadState(BadState.NOT_IMPLEMENTED);
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}
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}
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_notify(method, params) {
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switch(method) {
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case 'close':
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this._close(params);
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break;
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default:
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throw new Error(`Invalid method: "${method}"`);
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}
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}
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_getProvider(name) {
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if (name in this._provider) {
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return this._provider[name];
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}
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else {
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throw new Error('Unknown provider');
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}
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}
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async _lookup([providerName, parent, name]) {
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const provider = this._getProvider(providerName);
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return provider.lookup(parent, name);
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}
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async _getattr([providerName, inode]) {
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const provider = this._getProvider(providerName);
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return provider.getattr(inode);
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}
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async _readdir([providerName, inode]) {
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const provider = this._getProvider(providerName);
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return provider.readdir(inode);
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}
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async _open([providerName, inode, mode]) {
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const provider = this._getProvider(providerName);
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return provider.open(inode, mode);
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}
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_close([providerName, inode, handle, mode]) {
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const provider = this._getProvider(providerName);
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provider.close(inode, handle, mode);
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}
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async _read([providerName, inode, handle, offset, length]) {
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const provider = this._getProvider(providerName);
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const data = await provider.read(inode, handle, offset, length);
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if ("string" === typeof(data)) {
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return {
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data: btoa(data),
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format: "base64",
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count: data.length
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};
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}
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else {
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throw new BadState(BadState.BAD);
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}
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}
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}
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@ -0,0 +1,10 @@
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export class FileMode {
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static get ACCESS_MODE() { return 0x003; }
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static get READONLY() { return 0x000; }
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static get WRITEONLY() { return 0x001; }
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static get READWRITE() { return 0x002; }
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static get CREATE() { return 0x040; }
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static get EXCLUSIVE() { return 0x080; }
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static get TRUNKATE() { return 0x200; }
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static get APPEND() { return 0x400; }
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}
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@ -1,4 +1,8 @@
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import { BadState } from './bad_state.js'
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import { Provider } from './provider.js'
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import { FileMode } from './file_mode.js'
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import { Client } from './client.js'
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module.exports = {
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export {
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BadState, Provider, FileMode, Client
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};
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@ -0,0 +1,30 @@
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/* eslint no-unused-vars: ["error", { "argsIgnorePattern": "^_" }] */
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import { BadState } from "./bad_state.js";
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export class Provider {
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async lookup(_parent, _name) {
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throw new BadState(BadState.NOT_IMPLEMENTED);
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}
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async getattr(_inode) {
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throw new BadState(BadState.NOT_IMPLEMENTED);
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}
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async readdir(_inode) {
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throw new BadState(BadState.NOT_IMPLEMENTED);
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}
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async open(_inode, _mode) {
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throw new BadState(BadState.NOT_IMPLEMENTED);
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}
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close(_inode, _handle, _mode) {
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// empty
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}
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async read(_inode, _handle, _offset, _length) {
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throw new BadState(BadState.NOT_IMPLEMENTED);
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}
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}
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@ -0,0 +1 @@
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-r jsdom-global/register
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@ -0,0 +1,20 @@
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const webfuse = require('../dist/webfuse')
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const chai = require('chai');
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const assert = chai.assert;
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describe('Provider', function() {
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it('lookup should throw not implemented error', function() {
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const provider = new webfuse.Provider();
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return provider.lookup(1, 'root').then(
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() => Promise.reject(new Error("reject expected")),
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err => {
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assert.instanceOf(err, webfuse.BadState);
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assert.equal(webfuse.BadState.NOT_IMPLEMENTED, err.code);
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}
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);
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});
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});
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Reference in new issue