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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package model
import (
"encoding/json"
"io"
"io/ioutil"
"os"
"path/filepath"
"gopkg.in/yaml.v2"
)
const (
PLUGIN_CONFIG_TYPE_TEXT = "text"
PLUGIN_CONFIG_TYPE_BOOL = "bool"
PLUGIN_CONFIG_TYPE_RADIO = "radio"
PLUGIN_CONFIG_TYPE_DROPDOWN = "dropdown"
PLUGIN_CONFIG_TYPE_GENERATED = "generated"
PLUGIN_CONFIG_TYPE_USERNAME = "username"
)
type PluginOption struct {
// The display name for the option.
DisplayName string `json:"display_name" yaml:"display_name"`
// The string value for the option.
Value string `json:"value" yaml:"value"`
}
type PluginSetting struct {
// The key that the setting will be assigned to in the configuration file.
Key string `json:"key" yaml:"key"`
// The display name for the setting.
DisplayName string `json:"display_name" yaml:"display_name"`
// The type of the setting.
//
// "bool" will result in a boolean true or false setting.
//
// "dropdown" will result in a string setting that allows the user to select from a list of
// pre-defined options.
//
// "generated" will result in a string setting that is set to a random, cryptographically secure
// string.
//
// "radio" will result in a string setting that allows the user to select from a short selection
// of pre-defined options.
//
// "text" will result in a string setting that can be typed in manually.
//
// "username" will result in a text setting that will autocomplete to a username.
Type string `json:"type" yaml:"type"`
// The help text to display to the user.
HelpText string `json:"help_text" yaml:"help_text"`
// The help text to display alongside the "Regenerate" button for settings of the "generated" type.
RegenerateHelpText string `json:"regenerate_help_text,omitempty" yaml:"regenerate_help_text,omitempty"`
// The placeholder to display for "text", "generated" and "username" types when blank.
Placeholder string `json:"placeholder" yaml:"placeholder"`
// The default value of the setting.
Default interface{} `json:"default" yaml:"default"`
// For "radio" or "dropdown" settings, this is the list of pre-defined options that the user can choose
// from.
Options []*PluginOption `json:"options,omitempty" yaml:"options,omitempty"`
}
type PluginSettingsSchema struct {
// Optional text to display above the settings.
Header string `json:"header" yaml:"header"`
// Optional text to display below the settings.
Footer string `json:"footer" yaml:"footer"`
// A list of setting definitions.
Settings []*PluginSetting `json:"settings" yaml:"settings"`
}
// The plugin manifest defines the metadata required to load and present your plugin. The manifest
// file should be named plugin.json or plugin.yaml and placed in the top of your
// plugin bundle.
//
// Example plugin.yaml:
//
// id: com.mycompany.myplugin
// name: My Plugin
// description: This is my plugin. It does stuff.
// backend:
// executable: myplugin
// settings_schema:
// settings:
// - key: enable_extra_thing
// type: bool
// display_name: Enable Extra Thing
// help_text: When true, an extra thing will be enabled!
// default: false
type Manifest struct {
// The id is a globally unique identifier that represents your plugin. Ids are limited
// to 190 characters. Reverse-DNS notation using a name you control is a good option.
// For example, "com.mycompany.myplugin".
Id string `json:"id" yaml:"id"`
// The name to be displayed for the plugin.
Name string `json:"name,omitempty" yaml:"name,omitempty"`
// A description of what your plugin is and does.
Description string `json:"description,omitempty" yaml:"description,omitempty"`
// A version number for your plugin. Semantic versioning is recommended: http://semver.org
Version string `json:"version" yaml:"version"`
// If your plugin extends the server, you'll need define backend.
Backend *ManifestBackend `json:"backend,omitempty" yaml:"backend,omitempty"`
// If your plugin extends the web app, you'll need to define webapp.
Webapp *ManifestWebapp `json:"webapp,omitempty" yaml:"webapp,omitempty"`
// To allow administrators to configure your plugin via the Mattermost system console, you can
// provide your settings schema.
SettingsSchema *PluginSettingsSchema `json:"settings_schema,omitempty" yaml:"settings_schema,omitempty"`
}
type ManifestBackend struct {
// The path to your executable binary. This should be relative to the root of your bundle and the
// location of the manifest file.
//
// On Windows, this file must have a ".exe" extension.
Executable string `json:"executable" yaml:"executable"`
}
type ManifestWebapp struct {
// The path to your webapp bundle. This should be relative to the root of your bundle and the
// location of the manifest file.
BundlePath string `json:"bundle_path" yaml:"bundle_path"`
}
func (m *Manifest) ToJson() string {
b, _ := json.Marshal(m)
return string(b)
}
func ManifestListToJson(m []*Manifest) string {
b, _ := json.Marshal(m)
return string(b)
}
func ManifestFromJson(data io.Reader) *Manifest {
var m *Manifest
json.NewDecoder(data).Decode(&m)
return m
}
func ManifestListFromJson(data io.Reader) []*Manifest {
var manifests []*Manifest
json.NewDecoder(data).Decode(&manifests)
return manifests
}
func (m *Manifest) HasClient() bool {
return m.Webapp != nil
}
func (m *Manifest) ClientManifest() *Manifest {
cm := new(Manifest)
*cm = *m
cm.Name = ""
cm.Description = ""
cm.Backend = nil
return cm
}
// FindManifest will find and parse the manifest in a given directory.
//
// In all cases other than a does-not-exist error, path is set to the path of the manifest file that was
// found.
//
// Manifests are JSON or YAML files named plugin.json, plugin.yaml, or plugin.yml.
func FindManifest(dir string) (manifest *Manifest, path string, err error) {
for _, name := range []string{"plugin.yml", "plugin.yaml"} {
path = filepath.Join(dir, name)
f, ferr := os.Open(path)
if ferr != nil {
if !os.IsNotExist(ferr) {
err = ferr
return
}
continue
}
b, ioerr := ioutil.ReadAll(f)
f.Close()
if ioerr != nil {
err = ioerr
return
}
var parsed Manifest
err = yaml.Unmarshal(b, &parsed)
if err != nil {
return
}
manifest = &parsed
return
}
path = filepath.Join(dir, "plugin.json")
f, ferr := os.Open(path)
if ferr != nil {
if os.IsNotExist(ferr) {
path = ""
}
err = ferr
return
}
defer f.Close()
var parsed Manifest
err = json.NewDecoder(f).Decode(&parsed)
if err != nil {
return
}
manifest = &parsed
return
}
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