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// Arching Kaos File System
//
// Kaotisk Hund - 2024
//
// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL v3.0
//
import { akfsGetChunkURL, akfsGetLeafURL, akfsGetMapURL } from "./url-generators.js";
import { archingKaosFetchBlob } from "./arching-kaos-fetch.js";
import { offerDownloadableData } from "./utils.js";
var thingy = {};
var leafs_counter = 0;
var leafs_head_counter = 0;
var first_chunk_spotted = 0;
var first_chunk_size = 0;
var final_array_seq = [];
var status = [];
var output = "";
function akfsReset()
{
thingy = null;
thingy = {};
leafs_counter = 0;
leafs_head_counter = 0;
first_chunk_spotted = 0;
first_chunk_size = 0;
final_array_seq = null;
final_array_seq = [];
status = [];
output = "";
}
export function akfsGetMap(hash)
{
akfsReset();
archingKaosFetchBlob(akfsGetMapURL(hash), akfsFromMapGetLevelOneMapHash, [hash])
return hash;
}
function akfsFromMapGetOriginalHash(reply, params)
{
const [ hash ] = params;
if(typeof(reply) === "string")
{
console.log(reply.split('\n')[0].split(' ')[0]);
}
}
function akfsFromMapGetOriginalFilename(reply, params)
{
const [ hash ] = params;
if(typeof(reply) === "string")
{
console.log(reply.split('\n')[0].split(' ')[1]);
}
}
function akfsFromMapGetLevelOneMapHash(reply, params)
{
const [ hash ] = params;
var hashregexp = /^[0-9a-f]{128}$/;
const level_1_map = reply.split('\n')[1].split(' ')[0];
if(typeof(reply) === "string" && hashregexp.test(level_1_map))
{
archingKaosFetchBlob(akfsGetLeafURL(level_1_map), akfsChunkOrLeaf, [level_1_map, hash]);
thingy = {
leafs: [],
chunks: [],
root_hash: level_1_map,
map_hash: hash
};
thingy[`${level_1_map}`] = [];
status[`${level_1_map}`] = 'working';
}
}
function akfsSerializeChunks(hash)
{
if ( thingy.chunks[hash] !== undefined )
{
final_array_seq.push(hash);
}
else if ( thingy.leafs[hash] !== undefined )
{
if ( thingy.leafs[hash].head !== undefined )
{
akfsSerializeChunks(thingy.leafs[hash].head);
}
if ( thingy.leafs[hash].head !== thingy.leafs[hash].tail )
{
akfsSerializeChunks(thingy.leafs[hash].tail);
}
}
else
{
console.log(`The following hash is failing: ${hash}`)
}
}
function makeUpData()
{
let response = "";
for ( var i = 0; i < final_array_seq.length; i++ )
{
// console.log(`${i} ${final_array_seq[i]}`);
response += thingy.chunks[final_array_seq[i]].data;
}
return Uint8Array.fromBase64(response.replaceAll('\n', ''));
}
function akfsWorkOnChunks()
{
akfsSerializeChunks(thingy.root_hash);
var data = makeUpData();
offerDownloadableData(data);
}
function akfsChunkOrLeaf(reply, params)
{
const [ hash, previous ] = params;
var hashregexp = /^[0-9a-f]{128}$/;
var base64regexp = /^[-A-Za-z0-9+/]*={0,3}$/;
if(typeof(reply) === "string")
{
if ( hashregexp.test(reply.split('\n')[0]) && hashregexp.test(reply.split('\n')[1]) && ( thingy.leafs[hash] === undefined ) )
{
if ( leafs_counter === 0 )
{
leafs_counter++;
}
leafs_head_counter++;
if ( previous === thingy.map_hash )
{
console.log("Previous is a map_hash");
}
else if ( previous === thingy.root_hash )
{
console.log("Previous is a root_hash");
}
if ( hash === thingy.map_hash )
{
console.log("Current is a map_hash");
}
else if ( hash === thingy.root_hash )
{
console.log("Current is a root_hash");
}
// if ( thingy[hash] !== undefined )
// {
// thingy[hash][reply.split('\n')[0]] = [];
// thingy[hash][reply.split('\n')[1]] = [];
// }
var leaf = {
hash: hash,
head: reply.split('\n')[0],
tail: reply.split('\n')[1]
};
thingy.leafs[leaf.hash] = leaf;
archingKaosFetchBlob(akfsGetLeafURL(leaf.head), akfsChunkOrLeaf, [leaf.head, hash]);
archingKaosFetchBlob(akfsGetChunkURL(leaf.head), akfsChunkOrLeaf, [leaf.head, hash]);
if ( leaf.head !== leaf.tail )
{
archingKaosFetchBlob(akfsGetLeafURL(leaf.tail), akfsChunkOrLeaf, [leaf.tail, hash]);
archingKaosFetchBlob(akfsGetChunkURL(leaf.tail), akfsChunkOrLeaf, [leaf.tail, hash]);
}
}
else if ( base64regexp.test(reply.replaceAll('\n', '')) && ( thingy.chunks[hash] === undefined ) )
{
if ( first_chunk_spotted === 0 )
{
first_chunk_spotted = leafs_head_counter;
// console.log(`first_chunk_spotted : ${first_chunk_spotted}`);
first_chunk_size = reply.length;
}
var chunk = {
hash: hash,
data: reply
};
thingy.chunks[chunk.hash] = chunk;
if ( first_chunk_size > chunk.data.length || chunk.data.length < 1024 || ( chunk.data.length < 4096 && first_chunk_size >= 4096 ) )
{
akfsWorkOnChunks();
}
}
else
{
console.log("Unreachable");
}
}
else if (JSON.parse(reply))
{
const obj = JSON.parse(reply);
if ( obj.error !== undefined ) console.log( obj.error );
}
else if (typeof(reply) === "object")
{
console.log("Unreachable");
}
else
{
console.log("Unreachable");
}
}
function akfsStoreChunk(chunk, params)
{
const [ hash, previous ] = params;
var base64regexp = /^[-A-Za-z0-9+/]*={0,3}$/
if ( base64regexp.test(chunk) )
{
thingy.chunks[hash] = {
data: chunk
};
}
}
function akfsGetChunk(chunk, params)
{
const [ hash, previous ] = params;
akfsStoreChunk(chunk, [hash, previous]);
}
function akfsGetLeaf(leaf, params)
{
const [hash, previous] = params;
if(typeof(leaf) === "object")
{
archingKaosFetchBlob(akfsGetLeafURL(leaf.head), akfsChunkOrLeaf, [hash, previous]);
archingKaosFetchBlob(akfsGetChunkURL(leaf.head), akfsChunkOrLeaf, [hash, previous]);
if ( leaf.head !== leaf.tail )
{
archingKaosFetchBlob(akfsGetLeafURL(leaf.tail), akfsChunkOrLeaf, [hash, previous]);
archingKaosFetchBlob(akfsGetChunkURL(leaf.tail), akfsChunkOrLeaf, [hash, previous]);
}
}
}
// @license-end
|
