mirror of
https://github.com/leanote/desktop-app.git
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109 lines
2.6 KiB
JavaScript
109 lines
2.6 KiB
JavaScript
// 为了显示图片
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// leanote://api/file/getImage?fileId=xxx
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//
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//
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// 没用!!! 因为protocal不支持异步
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// https://github.com/atom/electron/issues/410
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var protocol = require('protocol');
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var Evt = require('evt');
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var Common = require('common');
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var File = require('file');
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var Api = require('api');
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var db = require('db');
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var http = require('http');
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var url = require('url');
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var path = require('path');
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var fs = require('fs');
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var Server = {
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mime: {
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"css": "text/css",
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"gif": "image/gif",
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"html": "text/html",
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"ico": "image/x-icon",
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"jpeg": "image/jpeg",
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"jpg": "image/jpeg",
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"js": "text/javascript",
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"json": "application/json",
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"pdf": "application/pdf",
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"png": "image/png",
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"svg": "image/svg+xml",
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"swf": "application/x-shockwave-flash",
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"tiff": "image/tiff",
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"txt": "text/plain",
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"wav": "audio/x-wav",
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"wma": "audio/x-ms-wma",
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"wmv": "video/x-ms-wmv",
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"xml": "text/xml"
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},
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router: function(request) {
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var me = this;
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var pathname = url.parse(request.url).pathname;
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while(pathname[0] == '/') {
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pathname = pathname.substr(1);
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}
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if(pathname == 'api/file/getImage') {
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return me.getImage(request, response);
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} else {
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response.end();
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return false;
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}
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},
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e404: function(res) {
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var me = this;
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res.writeHead(404, {
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'Content-Type': 'text/plain'
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});
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res.write("This request URL " + me._req.url + " was not found on this server.");
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res.end();
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},
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// 返回图片
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retImage: function(filePath, res) {
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var me = this;
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var ext = path.extname(filePath);
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ext = ext ? ext.slice(1) : 'unknown';
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filePath = filePath + '';
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fs.readFile(filePath, "binary", function (err, file) {
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if (err) {
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res.writeHead(500, {
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'Content-Type': 'text/plain'
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});
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res.end();
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} else {
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var contentType = me.mime[ext] || "text/plain";
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res.writeHead(200, {'Content-Type': contentType});
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res.write(file, "binary");
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res.end();
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}
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});
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},
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getImage: function(req, res) {
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var me = this;
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// fileId
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var fileId = url.parse(req.url, true).query['fileId'];
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if(!fileId) {
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return me.e404(res);
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}
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File.getImage(fileId, function(fileLocalPath) {
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if(path) {
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return me.retImage(fileLocalPath, res);
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} else {
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return me.e404(res);
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}
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})
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}
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};
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protocol.registerProtocol('leanote', function(request) {
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var url = request.url.substr(7);
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return new protocol.RequestFileJob(path.normalize(__dirname + '/' + url));
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}); |