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TiddlyWiki5/plugins/tiddlywiki/multiwikiserver/modules/route-post-bag-tiddlers.js

138 lines
4.2 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/multiwikiserver/route-post-bag-tiddlers.js
type: application/javascript
module-type: route
POST /wiki/:bag_name/bags/:bag_name/tiddlers/
POST /wiki/:bag_name/bags/:bag_name/tiddlers
NOTE: Urls currently include the bag name twice. This is temporary to minimise the changes to the TiddlyWeb plugin
\*/
(function() {
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.method = "POST";
exports.path = /^\/wiki\/([^\/]+)\/bags\/([^\/]+)\/tiddlers\/$/;
exports.bodyFormat = "stream";
exports.csrfDisable = true;
exports.handler = function(request,response,state) {
const path = require("path"),
fs = require("fs");
// Get the parameters
var bag_name = $tw.utils.decodeURIComponentSafe(state.params[0]),
bag_name_2 = $tw.utils.decodeURIComponentSafe(state.params[1]);
console.log(`Got ${bag_name} and ${bag_name_2}`)
// Require the recipe names to match
if(bag_name !== bag_name_2) {
return state.sendResponse(400,{"Content-Type": "text/plain"},"Bad Request: bag names do not match");
}
// Process the incoming data
const inboxName = $tw.utils.stringifyDate(new Date());
const inboxPath = path.resolve($tw.mws.store.attachmentStore.storePath,"inbox",inboxName);
$tw.utils.createDirectory(inboxPath);
let fileStream = null; // Current file being written
let hash = null; // Accumulating hash of current part
let length = 0; // Accumulating length of current part
const parts = [];
state.streamMultipartData({
cbPartStart: function(headers,name,filename) {
console.log(`Received file ${name} and ${filename} with ${JSON.stringify(headers)}`)
const part = {
name: name,
filename: filename,
headers: headers
};
if(filename) {
const inboxFilename = (parts.length).toString();
part.inboxFilename = path.resolve(inboxPath,inboxFilename);
fileStream = fs.createWriteStream(part.inboxFilename);
} else {
part.value = "";
}
hash = new $tw.sjcl.hash.sha256();
length = 0;
parts.push(part)
},
cbPartChunk: function(chunk) {
if(fileStream) {
fileStream.write(chunk);
} else {
parts[parts.length - 1].value += chunk;
}
length = length + chunk.length;
hash.update(chunk);
console.log(`Got a chunk of length ${chunk.length}, length is now ${length}`);
},
cbPartEnd: function() {
if(fileStream) {
fileStream.end();
}
fileStream = null;
parts[parts.length - 1].hash = $tw.sjcl.codec.hex.fromBits(hash.finalize()).slice(0,64).toString();
hash = null;
},
cbFinished: function(err) {
if(err) {
state.sendResponse(400,{"Content-Type": "text/plain"},"Bad Request: " + err);
} else {
console.log(`Multipart form data processed as ${JSON.stringify(parts,null,4)}`);
const partFile = parts.find(part => part.name === "file-to-upload" && !!part.filename);
if(!partFile) {
return state.sendResponse(400, {"Content-Type": "text/plain"},"Missing file to upload");
}
const type = partFile.headers["content-type"];
const tiddlerFields = {
title: partFile.filename,
type: type
};
for(const part of parts) {
const tiddlerFieldPrefix = "tiddler-field-";
if(part.name.startsWith(tiddlerFieldPrefix)) {
tiddlerFields[part.name.slice(tiddlerFieldPrefix.length)] = part.value.trim();
}
}
console.log(`Creating tiddler with ${JSON.stringify(tiddlerFields)} and ${partFile.filename}`)
$tw.mws.store.saveBagTiddlerWithAttachment(tiddlerFields,bag_name,{
filepath: partFile.inboxFilename,
type: type,
hash: partFile.hash
});
$tw.utils.deleteDirectory(inboxPath);
response.writeHead(200, "OK",{
"Content-Type": "text/html"
});
response.write(`
<!doctype html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
</head>
<body>
`);
// Render the html
var html = $tw.mws.store.adminWiki.renderTiddler("text/html","$:/plugins/tiddlywiki/multiwikiserver/templates/post-bag-tiddlers",{
variables: {
"bag-name": bag_name,
"imported-titles": JSON.stringify([tiddlerFields.title])
}
});
response.write(html);
response.write(`
</body>
</html>
`);
response.end();
}
}
});
};
}());