Inital Commit

.gitignore

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+.DS_Store
+Thumbs.db
+wp-cli.local.yml
+node_modules/
+*.sql
+*.tar.gz
+*.zip
+.idea*

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.0.1] - 2020-05-04
+
+Initial Release

README.md

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+# WPGraphQl Send Email Plugin
+
+One of the simple things about a traditional WordPress sites is sending emails, this plugin makes it easy to do this via a simple mutation when you are using WpGraphQl.
+
+## Usage
+
+```
+mutation SEND_EMAIL {
+  sendEmail(
+    input: {
+      to: "[email protected]"
+      subject: "test email"
+      body: "test email"
+      clientMutationId: "test"
+    }
+  ) {
+    origin
+    sent
+    message
+  }
+}
+
+```
+
+To try stop unauthorised emails you can set a list of domains that can send emails through the mutation.
+
+These are set under `Settings > WpGraphQl Mail` from your WordPress Admin
+
+## Support
+
+[Open an issue](https://github.com/ashhitch/wp-graphql-send-mail/issues)
+
+## Other Plugins
+
+Want to get Yoast data via WpGraphQl? [Checkout my other plugin](https://github.com/ashhitch/wp-graphql-yoast-seo)

composer.json

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+{
+    "name": "ashhitch/wp-graphql-yoast-seo",
+    "description": "Query Yoast SEO data with wp-graphql",
+    "type": "wordpress-plugin",
+    "license": "GPL-3.0-or-later",
+    "authors": [{
+        "name": "Ash Hitchcock",
+        "email": "[email protected]"
+    }],
+    "require": {
+        "wp-graphql/wp-graphql": ">=0.3.8",
+        "yoast/wordpress-seo": ">=14.0"
+    }
+}

wp-graphql-send-mail.php

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+<?php
+
+/**
+ * Plugin Name:     WPGraphql Send Mail
+ * Plugin URI:      https://github.com/ashhitch/wp-graphql-send-mail
+ * Description:     A WPGraphQL Extension that adds support for Sending Mail vi a mutation
+ * Author:          Ash Hitchcock
+ * Author URI:      https://www.ashleyhitchcock.com
+ * Text Domain:     wp-graphql-send-mail
+ * Domain Path:     /languages
+ * Version:         0.0.1
+ *
+ * @package         WP_Graphql_SEND_MAIL
+ */
+
+
+
+add_action('admin_menu', 'wpgraphql_send_mail_add_admin_menu');
+add_action('admin_init', 'wpgraphql_send_mail_settings_init');
+
+function wpgraphql_send_mail_add_admin_menu()
+{
+  add_options_page('WpGraphQl Send Mail Settings', 'WpGraphQl Mail', 'manage_options', 'wpgraphql-send-mail-page', 'wpgraphql_send_mail_options_page');
+}
+
+function wpgraphql_send_mail_settings_init()
+{
+  register_setting('wsmPlugin', 'wpgraphql_send_mail_settings');
+  add_settings_section(
+    'wpgraphql_send_mail_wsmPlugin_section',
+    __('Security', 'wp-graphql-send-mail'),
+    'wpgraphql_send_mail_settings_section_callback',
+    'wsmPlugin'
+  );
+
+  add_settings_field(
+    'wpgraphql_send_mail_allowed_origins',
+    __('Allowed Origins', 'wp-graphql-send-mail'),
+    'wpgraphql_send_mail_origins_textarea_render',
+    'wsmPlugin',
+    'wpgraphql_send_mail_wsmPlugin_section'
+  );
+}
+
+function wpgraphql_send_mail_origins_textarea_render()
+{
+  $options = get_option('wpgraphql_send_mail_settings');
+?>
+  <textarea rows="6" name='wpgraphql_send_mail_settings[wpgraphql_send_mail_allowed_origins]'><?php echo $options['wpgraphql_send_mail_allowed_origins']; ?></textarea>
+<?php
+}
+
+
+function wpgraphql_send_mail_settings_section_callback()
+{
+  echo __('Enter a comma separated list of domains that can sent emails.', 'wp-graphql-send-mail');
+}
+
+function wpgraphql_send_mail_options_page()
+{
+?>
+  <form action='options.php' method='post'>
+
+    <h2>WPGraphQl Send Mail Settings</h2>
+
+    <?php
+    settings_fields('wsmPlugin');
+    do_settings_sections('wsmPlugin');
+    submit_button();
+    ?>
+
+  </form>
+<?php
+}
+
+
+# This is the action that is executed as the GraphQL Schema is being built
+add_action('graphql_register_types', function () {
+
+  # This function registers a mutation to the Schema.
+  # The first argument, in this case `emailMutation`, is the name of the mutation in the Schema
+  # The second argument is an array to configure the mutation.
+  # The config array accepts 3 key/value pairs for: inputFields, outputFields and mutateAndGetPayload.
+  register_graphql_mutation('sendEmail', [
+
+    # inputFields expects an array of Fields to be used for inputting values to the mutation
+    'inputFields'         => [
+      'to' => [
+        'type' => 'String',
+        'description' => __('Who to send the email to', 'wp-graphql-send-mail'),
+      ],
+      'subject' => [
+        'type' => 'String',
+        'description' => __('Subject of email', 'wp-graphql-send-mail'),
+      ],
+      'body' => [
+        'type' => 'String',
+        'description' => __('Body of email', 'wp-graphql-send-mail'),
+      ],
+    ],
+
+    # outputFields expects an array of fields that can be asked for in response to the mutation
+    # the resolve function is optional, but can be useful if the mutateAndPayload doesn't return an array
+    # with the same key(s) as the outputFields
+    'outputFields'        => [
+      'sent' => [
+        'type' => 'Boolean',
+        'description' => __('Was the email sent', 'wp-graphql-send-mail'),
+        'resolve' => function ($payload, $args, $context, $info) {
+          return isset($payload['sent']) ? $payload['sent'] : null;
+        }
+      ],
+      'origin' => [
+        'type' => 'String',
+        'description' => __('Origin that sent the request', 'wp-graphql-send-mail'),
+        'resolve' => function ($payload, $args, $context, $info) {
+          return isset($payload['origin']) ? $payload['origin'] : null;
+        }
+      ],
+      'message' => [
+        'type' => 'String',
+        'description' => __('Message', 'wp-graphql-send-mail'),
+        'resolve' => function ($payload, $args, $context, $info) {
+          return isset($payload['message']) ? $payload['message'] : null;
+        }
+      ]
+    ],
+
+    # mutateAndGetPayload expects a function, and the function gets passed the $input, $context, and $info
+    # the function should return enough info for the outputFields to resolve with
+    'mutateAndGetPayload' => function ($input, $context, $info) {
+
+      // Do any logic here to sanitize the input, check user capabilities, etc
+      $options = get_option('wpgraphql_send_mail_settings');
+      $allowedOrigins = array_map('trim', explode(',', $options['wpgraphql_send_mail_allowed_origins']));
+      $http_origin = $_SERVER['HTTP_ORIGIN'];
+      $message = null;
+      $canSend = false;
+
+      if ($allowedOrigins) {
+        if (in_array($http_origin, $allowedOrigins)) {
+          $canSend = true;
+        } else {
+          $message = __('Origin not allowed', 'wp-graphql-send-mail');
+        }
+      } else {
+        // if they did not enter any then we will allow any
+        $canSend = true;
+      }
+
+      if ($canSend && !empty($input['to']) && !empty($input['body'])) {
+
+
+        $to = $input['to'];
+        $subject = $input['subject'];
+        $body = $input['body'];
+        $headers = array('Content-Type: text/html; charset=UTF-8');
+
+        $sent = wp_mail($to, $subject, $body, $headers);
+        $message = $sent ? __('Email Sent', 'wp-graphql-send-mail') : __('Email Not Sent', 'wp-graphql-send-mail');
+      } else {
+        $sent = false;
+        $message =  $message ? $message : __('Email Not Sent', 'wp-graphql-send-mail');
+      }
+      return [
+        'sent' => $sent,
+        'origin' => $http_origin,
+        'message' => $message,
+      ];
+    }
+  ]);
+});