Add a module to wrap GitHub REST API and Actions Runtime API requests

Critical benefit of doing this is inheriting the proxy-honoring behavior from the @actions/http-client and @actions/github libraries

src/api-client.js

@@ -0,0 +1,107 @@
+const core = require('@actions/core')
+const github = require('@actions/github')
+const hc = require('@actions/http-client')
+
+// All variables we need from the runtime are loaded here
+const getContext = require('./context')
+const { runTimeUrl: RUNTIME_URL } = getContext()
+
+async function getSignedArtifactUrl({ runtimeToken, workflowRunId, artifactName }) {
+  const artifactExchangeUrl = `${RUNTIME_URL}_apis/pipelines/workflows/${workflowRunId}/artifacts?api-version=6.0-preview`
+
+  const httpClient = new hc.HttpClient()
+  let data = null
+
+  try {
+    core.info(`Artifact exchange URL: ${artifactExchangeUrl}`)
+    const response = await httpClient.getJson(artifactExchangeUrl, {
+      Authorization: `Bearer ${runtimeToken}`
+    })
+
+    data = response?.result
+    core.info(JSON.stringify(data))
+  } catch (error) {
+    core.error('Getting signed artifact URL failed', error)
+    throw error
+  }
+
+  const artifactRawUrl = data?.value?.find(artifact => artifact.name === artifactName)?.url
+  if (!artifactRawUrl) {
+    throw new Error(
+      'No uploaded artifact was found! Please check if there are any errors at build step, or uploaded artifact name is correct.'
+    )
+  }
+
+  const signedArtifactUrl = `${artifactRawUrl}&%24expand=SignedContent`
+  return signedArtifactUrl
+}
+
+async function createPagesDeployment({ githubToken, artifactUrl, buildVersion, idToken, isPreview = false }) {
+  const octokit = github.getOctokit(githubToken)
+
+  const payload = {
+    artifact_url: artifactUrl,
+    pages_build_version: buildVersion,
+    oidc_token: idToken
+  }
+  if (isPreview === true) {
+    payload.preview = true
+  }
+  core.info(`Creating Pages deployment with payload:\n${JSON.stringify(payload, null, '\t')}`)
+
+  try {
+    const response = await octokit.rest.repos.createPagesDeployment({
+      owner: github.context.repo.owner,
+      repo: github.context.repo.repo,
+      ...payload
+    })
+
+    return response.data
+  } catch (error) {
+    core.error('Creating Pages deployment failed', error)
+    throw error
+  }
+}
+
+async function getPagesDeploymentStatus({ githubToken, deploymentId }) {
+  const octokit = github.getOctokit(githubToken)
+
+  core.info('Getting Pages deployment status...')
+  try {
+    const response = await octokit.request('GET /repos/{owner}/{repo}/pages/deployment/status/{deploymentId}', {
+      owner: github.context.repo.owner,
+      repo: github.context.repo.repo,
+      deploymentId
+    })
+
+    return response.data
+  } catch (error) {
+    core.error('Getting Pages deployment status failed', error)
+    throw error
+  }
+}
+
+async function cancelPagesDeployment({ githubToken, deploymentId }) {
+  const octokit = github.getOctokit(githubToken)
+
+  core.info('Canceling Pages deployment...')
+  try {
+    const response = await octokit.request('PUT /repos/{owner}/{repo}/pages/deployment/cancel/{deploymentId}', {
+      owner: github.context.repo.owner,
+      repo: github.context.repo.repo,
+      deploymentId
+    })
+
+    return response.data
+  } catch (error) {
+    core.error('Canceling Pages deployment failed', error)
+    throw error
+  }
+}
+
+module.exports = {
+  getSignedArtifactUrl,
+  createPagesDeployment,
+  getPagesDeploymentStatus,
+  cancelPagesDeployment
+}