Update document_handler.js
This commit is contained in:
wioniqle-q
GitHub
parent
18445795b4
commit
87b83bb438
|
|
@ -1,155 +1,165 @@
|
|||
var winston = require('winston');
|
||||
var Busboy = require('busboy');
|
||||
|
||||
// For handling serving stored documents
|
||||
|
||||
var DocumentHandler = function(options) {
|
||||
if (!options) {
|
||||
options = {};
|
||||
}
|
||||
this.keyLength = options.keyLength || DocumentHandler.defaultKeyLength;
|
||||
this.maxLength = options.maxLength; // none by default
|
||||
this.store = options.store;
|
||||
this.keyGenerator = options.keyGenerator;
|
||||
const winston = require('winston'), Busboy = require('busboy'), DocumentHandler = function (options) {
|
||||
if (!options) {
|
||||
options = {};
|
||||
}
|
||||
this.keyLength = options.keyLength || DocumentHandler.defaultKeyLength;
|
||||
this.maxLength = options.maxLength; // none by default
|
||||
this.store = options.store;
|
||||
this.keyGenerator = options.keyGenerator;
|
||||
};
|
||||
|
||||
|
||||
DocumentHandler.defaultKeyLength = 10;
|
||||
|
||||
// Handle retrieving a document
|
||||
DocumentHandler.prototype.handleGet = function(request, response, config) {
|
||||
const key = request.params.id.split('.')[0];
|
||||
const skipExpire = !!config.documents[key];
|
||||
DocumentHandler.prototype.handleGet = function (request, response, config) {
|
||||
const key = request.params.id.split('.')[0];
|
||||
const skipExpire = !!config.documents[key];
|
||||
|
||||
this.store.get(key, function(ret) {
|
||||
if (ret) {
|
||||
winston.verbose('retrieved document', { key: key });
|
||||
response.writeHead(200, { 'content-type': 'application/json' });
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(JSON.stringify({ data: ret, key: key }));
|
||||
}
|
||||
}
|
||||
else {
|
||||
winston.warn('document not found', { key: key });
|
||||
response.writeHead(404, { 'content-type': 'application/json' });
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(JSON.stringify({ message: 'Document not found.' }));
|
||||
}
|
||||
}
|
||||
}, skipExpire);
|
||||
this.store.get(key, function (ret) {
|
||||
if (ret) {
|
||||
winston.verbose('retrieved document', {key: key});
|
||||
response.writeHead(200, {'content-type': 'application/json'});
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(JSON.stringify({data: ret, key: key}));
|
||||
}
|
||||
} else {
|
||||
winston.warn('document not found', {key: key});
|
||||
response.writeHead(404, {'content-type': 'application/json'});
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(JSON.stringify({message: 'Document not found.'}));
|
||||
}
|
||||
}
|
||||
}, skipExpire);
|
||||
};
|
||||
|
||||
// Handle retrieving the raw version of a document
|
||||
DocumentHandler.prototype.handleRawGet = function(request, response, config) {
|
||||
const key = request.params.id.split('.')[0];
|
||||
const skipExpire = !!config.documents[key];
|
||||
DocumentHandler.prototype.handleRawGet = function (request, response, config) {
|
||||
const key = request.params.id.split('.')[0];
|
||||
const skipExpire = !!config.documents[key];
|
||||
|
||||
this.store.get(key, function(ret) {
|
||||
if (ret) {
|
||||
winston.verbose('retrieved raw document', { key: key });
|
||||
response.writeHead(200, { 'content-type': 'text/plain; charset=UTF-8' });
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(ret);
|
||||
}
|
||||
}
|
||||
else {
|
||||
winston.warn('raw document not found', { key: key });
|
||||
response.writeHead(404, { 'content-type': 'application/json' });
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(JSON.stringify({ message: 'Document not found.' }));
|
||||
}
|
||||
}
|
||||
}, skipExpire);
|
||||
this.store.get(key, function (ret) {
|
||||
if (ret) {
|
||||
winston.verbose('retrieved raw document', {key: key});
|
||||
response.writeHead(200, {'content-type': 'text/plain; charset=UTF-8'});
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(ret);
|
||||
}
|
||||
} else {
|
||||
winston.warn('raw document not found', {key: key});
|
||||
response.writeHead(404, {'content-type': 'application/json'});
|
||||
if (request.method === 'HEAD') {
|
||||
response.end();
|
||||
} else {
|
||||
response.end(JSON.stringify({message: 'Document not found.'}));
|
||||
}
|
||||
}
|
||||
}, skipExpire);
|
||||
};
|
||||
|
||||
// Handle adding a new Document
|
||||
DocumentHandler.prototype.handlePost = function (request, response) {
|
||||
var _this = this;
|
||||
var buffer = '';
|
||||
var cancelled = false;
|
||||
// What to do when done
|
||||
let _this = this, buffer = '', cancelled = false, onSuccess = function () {
|
||||
// Check length
|
||||
if (_this.maxLength && buffer.length > _this.maxLength) {
|
||||
cancelled = true;
|
||||
winston.warn('document >maxLength', {maxLength: _this.maxLength});
|
||||
response.writeHead(400, {'content-type': 'application/json'});
|
||||
response.end(
|
||||
JSON.stringify({message: 'Document exceeds maximum length.'})
|
||||
);
|
||||
return;
|
||||
}
|
||||
// And then save if we should
|
||||
_this.chooseKey(function (key) {
|
||||
_this.store.set(key, buffer, function (res) {
|
||||
if (res) {
|
||||
winston.verbose('added document', {key: key});
|
||||
response.writeHead(200, {'content-type': 'application/json'});
|
||||
response.end(JSON.stringify({key: key}));
|
||||
} else {
|
||||
winston.verbose('error adding document');
|
||||
response.writeHead(500, {'content-type': 'application/json'});
|
||||
response.end(JSON.stringify({message: 'Error adding document.'}));
|
||||
}
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
// What to do when done
|
||||
var onSuccess = function () {
|
||||
// Check length
|
||||
if (_this.maxLength && buffer.length > _this.maxLength) {
|
||||
cancelled = true;
|
||||
winston.warn('document >maxLength', { maxLength: _this.maxLength });
|
||||
response.writeHead(400, { 'content-type': 'application/json' });
|
||||
response.end(
|
||||
JSON.stringify({ message: 'Document exceeds maximum length.' })
|
||||
);
|
||||
return;
|
||||
// If we should, parse a form to grab the data
|
||||
const ct = request.headers['content-type'];
|
||||
if (ct) {
|
||||
if (ct.split(';')[0] === 'multipart/form-data') {
|
||||
var busboy = new Busboy({headers: request.headers});
|
||||
busboy.on('field', function (fieldname, val) {
|
||||
if (fieldname === 'data') {
|
||||
buffer = val;
|
||||
}
|
||||
});
|
||||
busboy.on('finish', function () {
|
||||
onSuccess();
|
||||
});
|
||||
request.pipe(busboy);
|
||||
// Otherwise, use our own and just grab flat data from POST body
|
||||
} else {
|
||||
request.on('data', function (data) {
|
||||
buffer += data.toString();
|
||||
});
|
||||
request.on('end', function () {
|
||||
if (cancelled) {
|
||||
return;
|
||||
}
|
||||
onSuccess();
|
||||
});
|
||||
request.on('error', function (error) {
|
||||
winston.error('connection error: ' + error.message);
|
||||
response.writeHead(500, {'content-type': 'application/json'});
|
||||
response.end(JSON.stringify({message: 'Connection error.'}));
|
||||
cancelled = true;
|
||||
});
|
||||
}
|
||||
} else {
|
||||
request.on('data', function (data) {
|
||||
buffer += data.toString();
|
||||
});
|
||||
request.on('end', function () {
|
||||
if (cancelled) {
|
||||
return;
|
||||
}
|
||||
onSuccess();
|
||||
});
|
||||
request.on('error', function (error) {
|
||||
winston.error('connection error: ' + error.message);
|
||||
response.writeHead(500, {'content-type': 'application/json'});
|
||||
response.end(JSON.stringify({message: 'Connection error.'}));
|
||||
cancelled = true;
|
||||
});
|
||||
}
|
||||
// And then save if we should
|
||||
_this.chooseKey(function (key) {
|
||||
_this.store.set(key, buffer, function (res) {
|
||||
if (res) {
|
||||
winston.verbose('added document', { key: key });
|
||||
response.writeHead(200, { 'content-type': 'application/json' });
|
||||
response.end(JSON.stringify({ key: key }));
|
||||
}
|
||||
else {
|
||||
winston.verbose('error adding document');
|
||||
response.writeHead(500, { 'content-type': 'application/json' });
|
||||
response.end(JSON.stringify({ message: 'Error adding document.' }));
|
||||
}
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
// If we should, parse a form to grab the data
|
||||
var ct = request.headers['content-type'];
|
||||
if (ct && ct.split(';')[0] === 'multipart/form-data') {
|
||||
var busboy = new Busboy({ headers: request.headers });
|
||||
busboy.on('field', function (fieldname, val) {
|
||||
if (fieldname === 'data') {
|
||||
buffer = val;
|
||||
}
|
||||
});
|
||||
busboy.on('finish', function () {
|
||||
onSuccess();
|
||||
});
|
||||
request.pipe(busboy);
|
||||
// Otherwise, use our own and just grab flat data from POST body
|
||||
} else {
|
||||
request.on('data', function (data) {
|
||||
buffer += data.toString();
|
||||
});
|
||||
request.on('end', function () {
|
||||
if (cancelled) { return; }
|
||||
onSuccess();
|
||||
});
|
||||
request.on('error', function (error) {
|
||||
winston.error('connection error: ' + error.message);
|
||||
response.writeHead(500, { 'content-type': 'application/json' });
|
||||
response.end(JSON.stringify({ message: 'Connection error.' }));
|
||||
cancelled = true;
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
// Keep choosing keys until one isn't taken
|
||||
DocumentHandler.prototype.chooseKey = function(callback) {
|
||||
var key = this.acceptableKey();
|
||||
var _this = this;
|
||||
this.store.get(key, function(ret) {
|
||||
if (ret) {
|
||||
_this.chooseKey(callback);
|
||||
} else {
|
||||
callback(key);
|
||||
}
|
||||
}, true); // Don't bump expirations when key searching
|
||||
DocumentHandler.prototype.chooseKey = function (callback) {
|
||||
const key = this.acceptableKey();
|
||||
const _this = this;
|
||||
this.store.get(key, function (ret) {
|
||||
if (ret) {
|
||||
_this.chooseKey(callback);
|
||||
} else {
|
||||
callback(key);
|
||||
}
|
||||
}, true); // Don't bump expirations when key searching
|
||||
};
|
||||
|
||||
DocumentHandler.prototype.acceptableKey = function() {
|
||||
return this.keyGenerator.createKey(this.keyLength);
|
||||
DocumentHandler.prototype.acceptableKey = function () {
|
||||
return this.keyGenerator.createKey(this.keyLength);
|
||||
};
|
||||
|
||||
module.exports = DocumentHandler;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user