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README.md

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+# 46elks SMS GitHub Action
+
+Send an SMS with the [46elks](https://46elks.com/) API from GitHub
+Actions.
+
+
+## Inputs
+
+* `apiUsername` - **Required**: Your 46elks API username, available at
+  the [46elks dashboard](https://46elks.com/account).
+* `apiPassword` - **Required**: Your 46elks API password, also available
+  from the 46elks dashboard.
+* `from` - **Required**: The number or alpha numerical sender ID you
+  would like to send the SMS from. Defaults to `"ElkAction"`.
+* `to` - **Required**: The number you would like to send the SMS to.
+  Defaults to `+4670000000`, which does not actually send a message and
+  is free, but will show up in your logs.
+* `message` - **Required**: The message to send with the SMS.
+
+## Outputs
+
+* `id` - The 46elks SMS ID of the SMS that was created.
+
+
+## Usage
+
+Store your API credentials in your repository's `Settings` -> `Secrets`,
+then you'll be able to use them as below.
+
+```yaml
+- name: Send SMS action step
+  uses: 46elks/gh-actions-sms
+  id: sms
+  with:
+    apiUsername: ${{ secrets.ELKS_API_USERNAME }}
+    apiPassword: ${{ secrets.ELKS_API_PASSWORD }}
+    from: 'ElkAction'
+    to: '+4670000000'
+    message: 'An elk says that something happened!'
+- name: Get the SMS ID
+  run: "echo \"SMS ID: ${{ steps.sms.outputs.id }}\""
+```

action.yml

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+name: '46elks SMS message'
+description: 'Send an SMS with the 46elks API'
+inputs:
+  apiUsername:
+    description: 'Your 46elks API username.'
+    required: true
+  apiPassword:
+    description: 'Your 46elks API password.'
+    required: true
+  to:
+    description: 'The phone number to send an SMS to'
+    required: true
+    default: '+46700000000'
+  from:
+    description: 'The phone number or text sender id to send the SMS from'
+    required: true
+    default: 'ElkAction'
+  message:
+    description: 'The message to send'
+    required: true
+    default: 'Elky greetings from GitHub actions!'
+outputs:
+  id:
+    description: 'The 46elks SMS ID of the created message'
+runs:
+  using: 'node12'
+  main: 'index.js'

index.js

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+const core = require('@actions/core');
+const https = require('https')
+const querystring = require('querystring')
+
+function sendSMS(username, password, from, to, message) {
+  const key = Buffer.from(username + ':' + password).toString('base64')
+
+  const postFields = {
+    from: from,
+    to: to,
+    message: message
+  }
+
+  const postData = querystring.stringify(postFields)
+
+  const options = {
+    hostname: 'api.46elks.com',
+    path: '/a1/SMS',
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+      'Content-Length': postData.length,
+      'Authorization': 'Basic ' + key
+    }
+  }
+
+  const req = https.request(options, (res) => {
+    let data = ''
+    res.on('data', (d) => {
+      data += d
+    })
+
+    res.on('end', () => {
+      if (res.statusCode == 200) {
+        let id = JSON.parse(data).id
+        core.setOutput('id', id)
+      } else {
+        core.setFailed(`Status code: ${res.statusCode}`)
+      }
+      console.log(data)
+    })
+  })
+
+  req.on('error', (error) => {
+    core.setFailed(error)
+  })
+
+  req.write(postData)
+  req.end()
+}
+
+try {
+  const apiUsername = core.getInput('apiUsername')
+  const apiPassword = core.getInput('apiPassword')
+  const to = core.getInput('to')
+  const from = core.getInput('from')
+  const message = core.getInput('message')
+
+  sendSMS(apiUsername, apiPassword, from, to, message)
+} catch (error) {
+  core.setFailed(error.message)
+}