Github integration (#6414)

Co-authored-by: Tom Moor <tom.moor@gmail.com>

plugins/github/server/env.ts

@@ -0,0 +1,40 @@
+import { IsOptional } from "class-validator";
+import { Environment } from "@server/env";
+import { Public } from "@server/utils/decorators/Public";
+import environment from "@server/utils/environment";
+import { CannotUseWithout } from "@server/utils/validators";
+
+class GitHubPluginEnvironment extends Environment {
+  /**
+   * GitHub OAuth2 client credentials. To enable integration with GitHub.
+   */
+  @Public
+  @IsOptional()
+  public GITHUB_CLIENT_ID = this.toOptionalString(environment.GITHUB_CLIENT_ID);
+
+  @Public
+  @IsOptional()
+  @CannotUseWithout("GITHUB_CLIENT_ID")
+  public GITHUB_APP_NAME = this.toOptionalString(environment.GITHUB_APP_NAME);
+
+  /**
+   * GitHub OAuth2 client credentials. To enable integration with GitHub.
+   */
+  @IsOptional()
+  @CannotUseWithout("GITHUB_CLIENT_ID")
+  public GITHUB_CLIENT_SECRET = this.toOptionalString(
+    environment.GITHUB_CLIENT_SECRET
+  );
+
+  @IsOptional()
+  @CannotUseWithout("GITHUB_APP_PRIVATE_KEY")
+  public GITHUB_APP_ID = this.toOptionalString(environment.GITHUB_APP_ID);
+
+  @IsOptional()
+  @CannotUseWithout("GITHUB_APP_ID")
+  public GITHUB_APP_PRIVATE_KEY = this.toOptionalString(
+    environment.GITHUB_APP_PRIVATE_KEY
+  );
+}
+
+export default new GitHubPluginEnvironment();