mirror of
https://github.com/simplex-chat/simplex-chat.git
synced 2026-10-17 06:30:31 +00:00
sh
f65c2da587
* ci: drop dlltool from nodejs libs release * nodejs: download libsimplex into the user cache * nodejs: load libsimplex at runtime per backend * support bot: select db backend with --db * python: match backend switch error text * nodejs: download prebuilt add-on at runtime * ci: build nodejs add-on for libs release * calculator bot: load libs and add-on in image * support bot: document add-on override * nodejs: keep worker test output free of colors * nodejs: verify sha-256 of downloaded assets * python: pin core libs release with sha-256 * ci: add packages release script * ci: release nodejs add-on and open release PR * ci: publish packages after release PR * nodejs: keep npm from building the add-on * calculator bot: build the add-on in the image * ci: merge package release workflows * ci: open release PR when publishing fails * ci: build the add-on with node-addon-api only * ci: skip publishing in a called packages workflow * ci: update package release actions to Node 24 * nodejs: fix receive test timeout * ci: test packages on pull requests * nodejs: reuse the database in the close stress test * ci: keep failed package tests from hanging * ci: skip preset server tests * ci: plan package builds from the changes * ci: test packages with a given libsimplex * ci: test packages with libsimplex of core changes
48 lines
1.7 KiB
TypeScript
48 lines
1.7 KiB
TypeScript
import * as zlib from "zlib"
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const LOCAL_FILE_HEADER = 0x04034b50
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const CENTRAL_DIRECTORY_HEADER = 0x02014b50
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const END_OF_CENTRAL_DIRECTORY = 0x06054b50
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const ZIP_VERSION = 20
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const LOCAL_HEADER_SIZE = 30
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const CENTRAL_ENTRY_SIZE = 46
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const END_RECORD_SIZE = 22
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export function storedZip(files: {[name: string]: string}): Buffer {
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const local: Buffer[] = []
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const central: Buffer[] = []
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let offset = 0
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for (const [name, content] of Object.entries(files)) {
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const nameBuf = Buffer.from(name)
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const data = Buffer.from(content)
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const crc = zlib.crc32(data)
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const header = Buffer.alloc(LOCAL_HEADER_SIZE)
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header.writeUInt32LE(LOCAL_FILE_HEADER, 0)
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header.writeUInt16LE(ZIP_VERSION, 4)
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header.writeUInt32LE(crc, 14)
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header.writeUInt32LE(data.length, 18)
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header.writeUInt32LE(data.length, 22)
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header.writeUInt16LE(nameBuf.length, 26)
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local.push(header, nameBuf, data)
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const entry = Buffer.alloc(CENTRAL_ENTRY_SIZE)
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entry.writeUInt32LE(CENTRAL_DIRECTORY_HEADER, 0)
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entry.writeUInt16LE(ZIP_VERSION, 4)
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entry.writeUInt16LE(ZIP_VERSION, 6)
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entry.writeUInt32LE(crc, 16)
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entry.writeUInt32LE(data.length, 20)
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entry.writeUInt32LE(data.length, 24)
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entry.writeUInt16LE(nameBuf.length, 28)
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entry.writeUInt32LE(offset, 42)
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central.push(entry, nameBuf)
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offset += header.length + nameBuf.length + data.length
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}
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const centralBuf = Buffer.concat(central)
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const end = Buffer.alloc(END_RECORD_SIZE)
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end.writeUInt32LE(END_OF_CENTRAL_DIRECTORY, 0)
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end.writeUInt16LE(Object.keys(files).length, 8)
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end.writeUInt16LE(Object.keys(files).length, 10)
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end.writeUInt32LE(centralBuf.length, 12)
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end.writeUInt32LE(offset, 16)
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return Buffer.concat([...local, centralBuf, end])
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}
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