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5edd96ae77
* seperate services for env + req * merge with main * fix tests * undo changes to golden file * fix linter * remove unused fields * split out new config struct * provide config * undo go mod changes * more renaming * fix tests * undo bra.toml changes * update go.work.sum * undo changes * trigger * apply PR feedback
65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
package pluginscdn
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import (
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"errors"
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"strings"
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"github.com/grafana/grafana/pkg/plugins/config"
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)
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const (
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// cdnAssetPathTemplate is the relative path template used to locate plugin CDN assets
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cdnAssetPathTemplate = "{id}/{version}/public/plugins/{id}/{assetPath}"
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)
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var ErrPluginNotCDN = errors.New("plugin is not a cdn plugin")
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// Service provides methods for the plugins CDN.
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type Service struct {
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cfg *config.PluginManagementCfg
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}
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func ProvideService(cfg *config.PluginManagementCfg) *Service {
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return &Service{cfg: cfg}
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}
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// NewCDNURLConstructor returns a new URLConstructor for the provided plugin id and version.
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// The CDN should be enabled for the plugin, otherwise the returned URLConstructor will have
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// and invalid base url.
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func (s *Service) NewCDNURLConstructor(pluginID, pluginVersion string) URLConstructor {
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return URLConstructor{
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cdnURLTemplate: strings.TrimRight(s.cfg.PluginsCDNURLTemplate, "/") + "/" + cdnAssetPathTemplate,
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pluginID: pluginID,
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pluginVersion: pluginVersion,
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}
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}
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// IsEnabled returns true if the plugins cdn is enabled.
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func (s *Service) IsEnabled() bool {
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return s.cfg.PluginsCDNURLTemplate != ""
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}
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// PluginSupported returns true if the CDN is enabled in the config and if the specified plugin ID has CDN enabled.
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func (s *Service) PluginSupported(pluginID string) bool {
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return s.IsEnabled() && s.cfg.PluginSettings[pluginID]["cdn"] != ""
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}
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// BaseURL returns the absolute base URL of the plugins CDN.
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// This is the "fixed" part of the URL (protocol + host + root url).
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// If the plugins CDN is disabled, it returns an empty string.
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func (s *Service) BaseURL() (string, error) {
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if !s.IsEnabled() {
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return "", nil
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}
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return s.cfg.PluginsCDNURLTemplate, nil
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}
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// AssetURL returns the URL of a CDN asset for a CDN plugin. If the specified plugin is not a CDN plugin,
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// it returns ErrPluginNotCDN.
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func (s *Service) AssetURL(pluginID, pluginVersion, assetPath string) (string, error) {
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if !s.PluginSupported(pluginID) {
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return "", ErrPluginNotCDN
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}
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return s.NewCDNURLConstructor(pluginID, pluginVersion).StringPath(assetPath)
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}
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