Implement remote runner jobs in server

Move ffmpeg functions to @shared

3 files changed, 201 insertions, 0 deletions

diff --git a/server/helpers/custom-validators/misc.ts b/server/helpers/custom-validators/misc.ts
index ebab4c6b2..fa0f469f6 100644
--- a/server/helpers/custom-validators/misc.ts
+++ b/server/helpers/custom-validators/misc.ts
@@ -15,6 +15,10 @@ function isSafePath (p: string) {
     })
 }
 
+function isSafeFilename (filename: string, extension: string) {
+  return typeof filename === 'string' && !!filename.match(new RegExp(`^[a-z0-9-]+\\.${extension}$`))
+}
+
 function isSafePeerTubeFilenameWithoutExtension (filename: string) {
   return filename.match(/^[a-z0-9-]+$/)
 }
@@ -177,5 +181,6 @@ export {
   toIntArray,
   isFileValid,
   isSafePeerTubeFilenameWithoutExtension,
+  isSafeFilename,
   checkMimetypeRegex
 }
diff --git a/server/helpers/custom-validators/runners/jobs.ts b/server/helpers/custom-validators/runners/jobs.ts
new file mode 100644
index 000000000..5f755d5bb
--- /dev/null
+++ b/server/helpers/custom-validators/runners/jobs.ts
@@ -0,0 +1,166 @@
+import { UploadFilesForCheck } from 'express'
+import validator from 'validator'
+import { CONSTRAINTS_FIELDS } from '@server/initializers/constants'
+import {
+  LiveRTMPHLSTranscodingSuccess,
+  RunnerJobSuccessPayload,
+  RunnerJobType,
+  RunnerJobUpdatePayload,
+  VODAudioMergeTranscodingSuccess,
+  VODHLSTranscodingSuccess,
+  VODWebVideoTranscodingSuccess
+} from '@shared/models'
+import { exists, isFileValid, isSafeFilename } from '../misc'
+
+const RUNNER_JOBS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.RUNNER_JOBS
+
+const runnerJobTypes = new Set([ 'vod-hls-transcoding', 'vod-web-video-transcoding', 'vod-audio-merge-transcoding' ])
+function isRunnerJobTypeValid (value: RunnerJobType) {
+  return runnerJobTypes.has(value)
+}
+
+function isRunnerJobSuccessPayloadValid (value: RunnerJobSuccessPayload, type: RunnerJobType, files: UploadFilesForCheck) {
+  return isRunnerJobVODWebVideoResultPayloadValid(value as VODWebVideoTranscodingSuccess, type, files) ||
+    isRunnerJobVODHLSResultPayloadValid(value as VODHLSTranscodingSuccess, type, files) ||
+    isRunnerJobVODAudioMergeResultPayloadValid(value as VODHLSTranscodingSuccess, type, files) ||
+    isRunnerJobLiveRTMPHLSResultPayloadValid(value as LiveRTMPHLSTranscodingSuccess, type)
+}
+
+// ---------------------------------------------------------------------------
+
+function isRunnerJobProgressValid (value: string) {
+  return validator.isInt(value + '', RUNNER_JOBS_CONSTRAINTS_FIELDS.PROGRESS)
+}
+
+function isRunnerJobUpdatePayloadValid (value: RunnerJobUpdatePayload, type: RunnerJobType, files: UploadFilesForCheck) {
+  return isRunnerJobVODWebVideoUpdatePayloadValid(value, type, files) ||
+    isRunnerJobVODHLSUpdatePayloadValid(value, type, files) ||
+    isRunnerJobVODAudioMergeUpdatePayloadValid(value, type, files) ||
+    isRunnerJobLiveRTMPHLSUpdatePayloadValid(value, type, files)
+}
+
+// ---------------------------------------------------------------------------
+
+function isRunnerJobTokenValid (value: string) {
+  return exists(value) && validator.isLength(value, RUNNER_JOBS_CONSTRAINTS_FIELDS.TOKEN)
+}
+
+function isRunnerJobAbortReasonValid (value: string) {
+  return validator.isLength(value, RUNNER_JOBS_CONSTRAINTS_FIELDS.REASON)
+}
+
+function isRunnerJobErrorMessageValid (value: string) {
+  return validator.isLength(value, RUNNER_JOBS_CONSTRAINTS_FIELDS.ERROR_MESSAGE)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isRunnerJobTypeValid,
+  isRunnerJobSuccessPayloadValid,
+  isRunnerJobUpdatePayloadValid,
+  isRunnerJobTokenValid,
+  isRunnerJobErrorMessageValid,
+  isRunnerJobProgressValid,
+  isRunnerJobAbortReasonValid
+}
+
+// ---------------------------------------------------------------------------
+
+function isRunnerJobVODWebVideoResultPayloadValid (
+  _value: VODWebVideoTranscodingSuccess,
+  type: RunnerJobType,
+  files: UploadFilesForCheck
+) {
+  return type === 'vod-web-video-transcoding' &&
+    isFileValid({ files, field: 'payload[videoFile]', mimeTypeRegex: null, maxSize: null })
+}
+
+function isRunnerJobVODHLSResultPayloadValid (
+  _value: VODHLSTranscodingSuccess,
+  type: RunnerJobType,
+  files: UploadFilesForCheck
+) {
+  return type === 'vod-hls-transcoding' &&
+    isFileValid({ files, field: 'payload[videoFile]', mimeTypeRegex: null, maxSize: null }) &&
+    isFileValid({ files, field: 'payload[resolutionPlaylistFile]', mimeTypeRegex: null, maxSize: null })
+}
+
+function isRunnerJobVODAudioMergeResultPayloadValid (
+  _value: VODAudioMergeTranscodingSuccess,
+  type: RunnerJobType,
+  files: UploadFilesForCheck
+) {
+  return type === 'vod-audio-merge-transcoding' &&
+    isFileValid({ files, field: 'payload[videoFile]', mimeTypeRegex: null, maxSize: null })
+}
+
+function isRunnerJobLiveRTMPHLSResultPayloadValid (
+  value: LiveRTMPHLSTranscodingSuccess,
+  type: RunnerJobType
+) {
+  return type === 'live-rtmp-hls-transcoding' && (!value || (typeof value === 'object' && Object.keys(value).length === 0))
+}
+
+// ---------------------------------------------------------------------------
+
+function isRunnerJobVODWebVideoUpdatePayloadValid (
+  value: RunnerJobUpdatePayload,
+  type: RunnerJobType,
+  _files: UploadFilesForCheck
+) {
+  return type === 'vod-web-video-transcoding' &&
+    (!value || (typeof value === 'object' && Object.keys(value).length === 0))
+}
+
+function isRunnerJobVODHLSUpdatePayloadValid (
+  value: RunnerJobUpdatePayload,
+  type: RunnerJobType,
+  _files: UploadFilesForCheck
+) {
+  return type === 'vod-hls-transcoding' &&
+    (!value || (typeof value === 'object' && Object.keys(value).length === 0))
+}
+
+function isRunnerJobVODAudioMergeUpdatePayloadValid (
+  value: RunnerJobUpdatePayload,
+  type: RunnerJobType,
+  _files: UploadFilesForCheck
+) {
+  return type === 'vod-audio-merge-transcoding' &&
+    (!value || (typeof value === 'object' && Object.keys(value).length === 0))
+}
+
+function isRunnerJobLiveRTMPHLSUpdatePayloadValid (
+  value: RunnerJobUpdatePayload,
+  type: RunnerJobType,
+  files: UploadFilesForCheck
+) {
+  let result = type === 'live-rtmp-hls-transcoding' && !!value && !!files
+
+  result &&= isFileValid({ files, field: 'payload[masterPlaylistFile]', mimeTypeRegex: null, maxSize: null, optional: true })
+
+  result &&= isFileValid({
+    files,
+    field: 'payload[resolutionPlaylistFile]',
+    mimeTypeRegex: null,
+    maxSize: null,
+    optional: !value.resolutionPlaylistFilename
+  })
+
+  if (files['payload[resolutionPlaylistFile]']) {
+    result &&= isSafeFilename(value.resolutionPlaylistFilename, 'm3u8')
+  }
+
+  return result &&
+    isSafeFilename(value.videoChunkFilename, 'ts') &&
+    (
+      (
+        value.type === 'remove-chunk'
+      ) ||
+      (
+        value.type === 'add-chunk' &&
+        isFileValid({ files, field: 'payload[videoChunkFile]', mimeTypeRegex: null, maxSize: null })
+      )
+    )
+}
diff --git a/server/helpers/custom-validators/runners/runners.ts b/server/helpers/custom-validators/runners/runners.ts
new file mode 100644
index 000000000..953fac3b5
--- /dev/null
+++ b/server/helpers/custom-validators/runners/runners.ts
@@ -0,0 +1,30 @@
+import validator from 'validator'
+import { CONSTRAINTS_FIELDS } from '@server/initializers/constants'
+import { exists } from '../misc'
+
+const RUNNERS_CONSTRAINTS_FIELDS = CONSTRAINTS_FIELDS.RUNNERS
+
+function isRunnerRegistrationTokenValid (value: string) {
+  return exists(value) && validator.isLength(value, RUNNERS_CONSTRAINTS_FIELDS.TOKEN)
+}
+
+function isRunnerTokenValid (value: string) {
+  return exists(value) && validator.isLength(value, RUNNERS_CONSTRAINTS_FIELDS.TOKEN)
+}
+
+function isRunnerNameValid (value: string) {
+  return exists(value) && validator.isLength(value, RUNNERS_CONSTRAINTS_FIELDS.NAME)
+}
+
+function isRunnerDescriptionValid (value: string) {
+  return exists(value) && validator.isLength(value, RUNNERS_CONSTRAINTS_FIELDS.DESCRIPTION)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  isRunnerRegistrationTokenValid,
+  isRunnerTokenValid,
+  isRunnerNameValid,
+  isRunnerDescriptionValid
+}