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budibase/packages/server/src/api/controllers/plugin.ts

115 lines
3.2 KiB
TypeScript

import { ObjectStoreBuckets } from "../../constants"
import { extractPluginTarball, loadJSFile } from "../../utilities/fileSystem"
import { getGlobalDB } from "@budibase/backend-core/tenancy"
import { generatePluginID, getPluginParams } from "../../db/utils"
import { uploadDirectory } from "@budibase/backend-core/objectStore"
import { PluginType, FileType } from "@budibase/types"
import { ClientAppSocket } from "../../app"
import env from "../../environment"
export async function getPlugins(type?: PluginType) {
const db = getGlobalDB()
const response = await db.allDocs(
getPluginParams(null, {
include_docs: true,
})
)
const plugins = response.rows.map((row: any) => row.doc)
if (type) {
return plugins.filter((plugin: any) => plugin.schema?.type === type)
} else {
return plugins
}
}
export async function upload(ctx: any) {
const plugins: FileType[] =
ctx.request.files.file.length > 1
? Array.from(ctx.request.files.file)
: [ctx.request.files.file]
try {
let docs = []
// can do single or multiple plugins
for (let plugin of plugins) {
const doc = await processPlugin(plugin)
docs.push(doc)
}
ctx.body = {
message: "Plugin(s) uploaded successfully",
plugins: docs,
}
} catch (err: any) {
const errMsg = err?.message ? err?.message : err
ctx.throw(400, `Failed to import plugin: ${errMsg}`)
}
}
export async function fetch(ctx: any) {
ctx.body = await getPlugins()
}
export async function destroy(ctx: any) {}
export async function processPlugin(plugin: FileType) {
if (!env.SELF_HOSTED) {
throw new Error("Plugins not supported outside of self-host.")
}
const db = getGlobalDB()
const { metadata, directory } = await extractPluginTarball(plugin)
const version = metadata.package.version,
name = metadata.package.name,
description = metadata.package.description,
hash = metadata.schema.hash
// first open the tarball into tmp directory
const bucketPath = `${name}/`
const files = await uploadDirectory(
ObjectStoreBuckets.PLUGINS,
directory,
bucketPath
)
const jsFile = files.find((file: any) => file.name.endsWith(".js"))
if (!jsFile) {
throw new Error(`Plugin missing .js file.`)
}
// validate the JS for a datasource
if (metadata.schema.type === PluginType.DATASOURCE) {
const js = loadJSFile(directory, jsFile.name)
// TODO: this isn't safe - but we need full node environment
// in future we should do this in a thread for safety
try {
eval(js)
} catch (err: any) {
const message = err?.message ? err.message : JSON.stringify(err)
throw new Error(`JS invalid: ${message}`)
}
}
const jsFileName = jsFile.name
const pluginId = generatePluginID(name)
// overwrite existing docs entirely if they exist
let rev
try {
const existing = await db.get(pluginId)
rev = existing._rev
} catch (err) {
rev = undefined
}
const doc = {
_id: pluginId,
_rev: rev,
...metadata,
name,
version,
hash,
description,
jsUrl: `${bucketPath}${jsFileName}`,
}
const response = await db.put(doc)
ClientAppSocket.emit("plugin-update", { name, hash })
return {
...doc,
_rev: response.rev,
}
}