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Code Issues Releases Wiki Activity

WIP: Add a multipart/form-data convenience function

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This is the start of adding support for large attachments.

We have a new endpoint for POSTing tiddler data. The idea is that it will take any kind of data and figure out how to extract tiddlers from the upload and save them in the nominated bag.

The next step is to move the attachment files into a special folder and reference them from the database so that we can construct _canonical_uris for them.
This commit is contained in:
Jeremy Ruston
2024-02-02 15:42:02 +00:00
parent 262a730534
commit 6675358e85
2 changed files with 168 additions and 0 deletions
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71
plugins/tiddlywiki/multiwikiserver/modules/route-post-recipe-tiddlers.js Normal file
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/*\
title: $:/plugins/tiddlywiki/multiwikiserver/route-post-recipe-tiddlers.js
type: application/javascript
module-type: route
POST /wikis/:recipe_name/recipes/:recipe_name/tiddlers
NOTE: Urls currently include the recipe name twice. This is temporary to minimise the changes to the TiddlyWeb plugin
\*/
(function() {
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.method = "POST";
exports.path = /^\/wiki\/([^\/]+)\/recipes\/([^\/]+)\/tiddlers$/;
exports.bodyFormat = "stream";
exports.handler = function(request,response,state) {
const fs = require("fs");
// Get the parameters
var recipe_name = $tw.utils.decodeURIComponentSafe(state.params[0]),
recipe_name_2 = $tw.utils.decodeURIComponentSafe(state.params[1]);
console.log(`Got to here ${recipe_name} and ${recipe_name_2}`)
// Require the recipe names to match
if(recipe_name !== recipe_name_2) {
return state.sendResponse(400,{"Content-Type": "text/plain"},"Bad Request: recipe names do not match");
}
// Process the incoming data
let fileStream = null;
let fieldValue = "";
state.streamMultipartData({
cbPartStart: function(headers,name,filename) {
console.log(`Received file ${name} and ${filename} with ${JSON.stringify(headers)}`)
if(filename) {
fileStream = fs.createWriteStream(filename);
} else {
fieldValue = "";
}
},
cbPartChunk: function(chunk) {
if(fileStream) {
fileStream.write(chunk);
} else {
fieldValue = fieldValue + chunk;
}
},
cbPartEnd: function() {
if(fileStream) {
fileStream.end();
fileStream = null;
} else {
console.log("Data was " + fieldValue);
fieldValue = "";
}
},
cbFinished: function(err) {
if(err) {
state.sendResponse(400,{"Content-Type": "text/plain"},"Bad Request: " + err);
} else {
state.sendResponse(200, {"Content-Type": "text/plain"},"Multipart data processed");
}
}
});
};
}());