e79dcb13f0
* feat: add support for logging * fix linting * chore: remove old APIError in favor of ServerError
128 lines
3.0 KiB
Go
128 lines
3.0 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"go/format"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"github.com/hashicorp/go-version"
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)
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const (
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LatestVersionMarker = "latest"
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baseDownloadUrl = "https://dl.ui.com/unifi/%s/unifi_sysvinit_all.deb"
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)
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type UnifiVersion struct {
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Version *version.Version
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DownloadUrl *url.URL
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}
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func NewUnifiVersion(unifiVersion *version.Version, downloadUrl *url.URL) *UnifiVersion {
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return &UnifiVersion{
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Version: unifiVersion,
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DownloadUrl: downloadUrl,
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}
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}
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type UnifiVersionProvider interface {
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Latest() (*UnifiVersion, error)
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ByVersionMarker(versionMarker string) (*UnifiVersion, error)
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}
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type defaultUnifiVersionProvider struct {
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firmwareUpdateApi string
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}
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func NewUnifiVersionProvider(firmwareUpdateApi string) UnifiVersionProvider {
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return &defaultUnifiVersionProvider{
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firmwareUpdateApi: firmwareUpdateApi,
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}
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}
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func (p *defaultUnifiVersionProvider) Latest() (*UnifiVersion, error) {
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url, err := url.Parse(p.firmwareUpdateApi)
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if err != nil {
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return nil, err
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}
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query := url.Query()
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query.Add("filter", firmwareUpdateApiFilter("channel", releaseChannel))
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query.Add("filter", firmwareUpdateApiFilter("product", unifiControllerProduct))
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url.RawQuery = query.Encode()
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req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, url.String(), nil)
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if err != nil {
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return nil, err
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}
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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var respData firmwareUpdateApiResponse
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err = json.NewDecoder(resp.Body).Decode(&respData)
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if err != nil {
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return nil, err
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}
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for _, firmware := range respData.Embedded.Firmware {
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if firmware.Platform != debianPlatform || firmware.Version == nil {
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continue
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}
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return NewUnifiVersion(firmware.Version.Core(), firmware.Links.Data.Href), nil
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}
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return nil, errors.New("no Unifi Controller firmware found")
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}
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func (p *defaultUnifiVersionProvider) ByVersionMarker(versionMarker string) (*UnifiVersion, error) {
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if versionMarker == LatestVersionMarker {
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return p.Latest()
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} else {
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unifiVersion, err := version.NewVersion(versionMarker)
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if err != nil {
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return nil, err
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}
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unifiVersion = unifiVersion.Core()
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downloadUrl := fmt.Sprintf(baseDownloadUrl, unifiVersion)
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unifiDownloadUrl, err := url.Parse(downloadUrl)
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if err != nil {
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return nil, err
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}
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return NewUnifiVersion(unifiVersion, unifiDownloadUrl), nil
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}
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}
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func writeVersionFile(version *version.Version, outDir string) error {
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versionGo := []byte(fmt.Sprintf(`
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// Generated code. DO NOT EDIT.
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package unifi
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const UnifiVersion = %q
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`, version.Core()))
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versionGo, err := format.Source(versionGo)
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if err != nil {
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return err
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}
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_, err = writeGeneratedFile(outDir, "version", string(versionGo))
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return err
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}
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func writeVersionRepoMarkerFile(version *version.Version, outDir string) error {
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versionRepoMarker := []byte(version.Core().String())
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return os.WriteFile(filepath.Join(outDir, ".unifi-version"), versionRepoMarker, 0o644)
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}
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