はじまりの大地

packages/server-commands/src/videos/streaming-playlists-command.ts

@@ -0,0 +1,119 @@
+import { wait } from '@peertube/peertube-core-utils'
+import { HttpStatusCode } from '@peertube/peertube-models'
+import { unwrapBody, unwrapBodyOrDecodeToJSON, unwrapTextOrDecode } from '../requests/index.js'
+import { AbstractCommand, OverrideCommandOptions } from '../shared/index.js'
+
+export class StreamingPlaylistsCommand extends AbstractCommand {
+
+  async get (options: OverrideCommandOptions & {
+    url: string
+
+    videoFileToken?: string
+    reinjectVideoFileToken?: boolean
+
+    withRetry?: boolean // default false
+    currentRetry?: number
+  }): Promise<string> {
+    const { videoFileToken, reinjectVideoFileToken, expectedStatus, withRetry = false, currentRetry = 1 } = options
+
+    try {
+      const result = await unwrapTextOrDecode(this.getRawRequest({
+        ...options,
+
+        url: options.url,
+        query: {
+          videoFileToken,
+          reinjectVideoFileToken
+        },
+        implicitToken: false,
+        defaultExpectedStatus: HttpStatusCode.OK_200
+      }))
+
+      // master.m3u8 could be empty
+      if (!result && (!expectedStatus || expectedStatus === HttpStatusCode.OK_200)) {
+        throw new Error('Empty result')
+      }
+
+      return result
+    } catch (err) {
+      if (!withRetry || currentRetry > 10) throw err
+
+      await wait(250)
+
+      return this.get({
+        ...options,
+
+        withRetry,
+        currentRetry: currentRetry + 1
+      })
+    }
+  }
+
+  async getFragmentedSegment (options: OverrideCommandOptions & {
+    url: string
+    range?: string
+
+    withRetry?: boolean // default false
+    currentRetry?: number
+  }) {
+    const { withRetry = false, currentRetry = 1 } = options
+
+    try {
+      const result = await unwrapBody<Buffer>(this.getRawRequest({
+        ...options,
+
+        url: options.url,
+        range: options.range,
+        implicitToken: false,
+        responseType: 'application/octet-stream',
+        defaultExpectedStatus: HttpStatusCode.OK_200
+      }))
+
+      return result
+    } catch (err) {
+      if (!withRetry || currentRetry > 10) throw err
+
+      await wait(250)
+
+      return this.getFragmentedSegment({
+        ...options,
+
+        withRetry,
+        currentRetry: currentRetry + 1
+      })
+    }
+  }
+
+  async getSegmentSha256 (options: OverrideCommandOptions & {
+    url: string
+
+    withRetry?: boolean // default false
+    currentRetry?: number
+  }) {
+    const { withRetry = false, currentRetry = 1 } = options
+
+    try {
+      const result = await unwrapBodyOrDecodeToJSON<{ [ id: string ]: string }>(this.getRawRequest({
+        ...options,
+
+        url: options.url,
+        contentType: 'application/json',
+        implicitToken: false,
+        defaultExpectedStatus: HttpStatusCode.OK_200
+      }))
+
+      return result
+    } catch (err) {
+      if (!withRetry || currentRetry > 10) throw err
+
+      await wait(250)
+
+      return this.getSegmentSha256({
+        ...options,
+
+        withRetry,
+        currentRetry: currentRetry + 1
+      })
+    }
+  }
+}