Adds token as a method of authentication

README.md

@@ -7,15 +7,18 @@ Drone plugin for authenticating into NPM to install private dependencies.
 
 The following parameters are used to configure the plugin:
 
-- `username`: The NPM username. Required.
-- `password`: The NPM password. Required.
-- `email`: The NPM email. Required.
+- `token`: The NPM token. Required (when not using credentials).
+- `username`: The NPM username. Required (when using credentials).
+- `password`: The NPM password. Required (when using credentials).
+- `email`: The NPM email. Required (when using credentials).
 - `registry`: The NPM registry. Defaults to the default NPM registry.
 - `scope`: Scope of the NPM authentication. Optional.
 - `path`: Output path of the generated `.npmrc` file. Defaults to `./`.
 
 ### Drone configuration example
 
+#### Using credentials
+
 ```yaml
 pipeline:
   npm_auth:
@@ -33,6 +36,22 @@ pipeline:
       event: [push, pull_request]
 ```
 
+#### Using token
+
+```yaml
+pipeline:
+  npm_auth:
+    image: robertstettner/drone-npm-auth
+    token: a12445e4424c121323a
+
+  build:
+    image: node:6
+    commands:
+      - npm install
+      - npm test
+    when:
+      event: [push, pull_request]
+```
 
 ## License
 

bin/npm-auth

@@ -7,33 +7,38 @@ email="${NPM_EMAIL:-$PLUGIN_EMAIL}"
 registry="${NPM_REGISTRY:-$PLUGIN_REGISTRY}"
 scope="${NPM_SCOPE:-$PLUGIN_SCOPE}"
 path="${PLUGIN_PATH:-./}"
-
-echo "-- Generating authentication from NPM..."
+token="${NPM_TOKEN:-$PLUGIN_TOKEN}"
 
 set -e
 
-if [ -z "$username" ]; then
-    echo "-- Username is not set!"
-    exit 1
-fi
-if [ -z "$password" ]; then
-    echo "-- Password is not set!"
-    exit 1
-fi
-if [ -z "$email" ]; then
-    echo "-- Email is not set!"
-    exit 1
-fi
+echo "-- Setting up authentication from NPM..."
+
 if [ -z "$registry" ]; then
     registry="registry.npmjs.org"
 fi
-if [ -z "$scope" ]; then
-    scope_option=""
-else
-    scope_option="--scope=$scope"
-fi
+if [ -z "$token" ]; then
+    if [ -z "$username" ]; then
+        echo "-- Username is not set!"
+        exit 1
+    fi
+    if [ -z "$password" ]; then
+        echo "-- Password is not set!"
+        exit 1
+    fi
+    if [ -z "$email" ]; then
+        echo "-- Email is not set!"
+        exit 1
+    fi
+    if [ -z "$scope" ]; then
+        scope_option=""
+    else
+        scope_option="--scope=$scope"
+    fi
 
-expect-npm-auth "npm login --registry $registry $scope_option" $username $password $email >/dev/null 2>&1
+    expect-npm-auth "npm login --registry $registry $scope_option" $username $password $email >/dev/null 2>&1
+else
+    echo "//$registry/:_authToken=$token" > ~/.npmrc
+fi
 
 endtime=$(date +%s.%N)
 echo "duration: $(echo "$endtime $starttime" | awk '{printf "%f", $1 - $2}')s"
@@ -43,5 +48,5 @@ if [ ! -e ~/.npmrc ]; then
     exit 1
 else
     echo $(cat ~/.npmrc) | sed 's/[[:blank:]]\+/\n/g' > $path.npmrc
-    echo "-- NPM authentication generation done!"
+    echo "-- NPM authentication done!"
 fi