Use authentication to retrieve Github resources (#1375)

Author: ErikSchierboom

.github/workflows/test.yml

@@ -11,3 +11,5 @@ jobs:
         with:
           dotnet-version: "3.0.100"
       - run: pwsh ./test.ps1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

bin/fetch-configlet

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-LATEST=https://github.com/exercism/configlet/releases/latest
+LATEST=https://api.github.com/repos/exercism/configlet/releases/latest
 
 OS=$(
 case $(uname) in
@@ -24,7 +24,14 @@ case $(uname -m) in
         echo 64bit;;
 esac)
 
-VERSION="$(curl --head --silent $LATEST | awk -v FS=/ '/Location:/{print $NF}' | tr -d '\r')"
-URL=https://github.com/exercism/configlet/releases/download/$VERSION/configlet-$OS-${ARCH}.tgz
+FILENAME="configlet-${OS}-${ARCH}.tgz"
 
-curl -s --location $URL | tar xz -C bin/
+if [ -z "${GITHUB_TOKEN}" ]
+then
+    HEADER=""
+else
+    HEADER="authorization: Bearer ${GITHUB_TOKEN}"
+fi
+
+URL=$(curl --header $HEADER -s $LATEST | awk -v filename=$FILENAME '$1 ~ /browser_download_url/ && $2 ~ filename { print $2 }' | tr -d '"')
+curl --header $HEADER -s --location $URL | tar xz -C bin/

bin/fetch-configlet.ps1

@@ -1,30 +1,24 @@
-Function RedirectLocationHeader([string]$url) {
-    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
-
-    $latest = "https://github.com/exercism/configlet/releases/latest"
-    $request = [System.Net.WebRequest]::Create($latest)
-    $request.AllowAutoRedirect = $false
-    $response = $request.GetResponse()
-
-    $response.GetResponseHeader("Location")
+Function DownloadUrl ([string] $FileName, $Headers) {
+    $latestUrl = "https://api.github.com/repos/exercism/configlet/releases/latest"
+    $json = Invoke-RestMethod -Headers $Headers -Uri $latestUrl
+    $json.assets | Where-Object { $_.browser_download_url -match $FileName } | Select-Object -ExpandProperty browser_download_url
 }
 
-Function LatestVersion {
-    $location = RedirectLocationHeader("https://github.com/exercism/configlet/releases/latest")
-    $location.Substring($location.LastIndexOf("/") + 1)
+Function Headers {
+    If ($GITHUB_TOKEN) { $headers = @{ Authorization = "Bearer ${GITHUB_TOKEN}" } } Else { $headers = @{ } }
 }
 
 Function Arch {
     If ([Environment]::Is64BitOperatingSystem) { "64bit" } Else { "32bit" }
 }
 
 $arch = Arch
-$version = LatestVersion
+$headers = Headers
 $fileName = "configlet-windows-$arch.zip"
-$url = "https://github.com/exercism/configlet/releases/download/$version/$filename"
 $outputDirectory = "bin"
 $outputFile = Join-Path -Path $outputDirectory -ChildPath $fileName
+$zipUrl = DownloadUrl -FileName $fileName -Headers $headers
 
-Invoke-WebRequest -Uri $url -OutFile $outputFile
+Invoke-WebRequest -Headers $headers -Uri $zipUrl -OutFile $outputFile
 Expand-Archive $outputFile -DestinationPath $outputDirectory -Force
 Remove-Item -Path $outputFile

test.ps1

@@ -77,8 +77,7 @@ function Test-Using-Example-Implementation {
     Run-Command "dotnet test $testTarget"
 }
 
-# Currently, configlet isn't stable and fails intermittently, so this check is removed until the root issue is fixed 
-# Configlet-Lint
+Configlet-Lint
 Clean
 Copy-Exercises
 Enable-All-Tests