mirror of
https://github.com/MedzikUser/go-github-selfupdate.git
synced 2024-08-15 03:25:29 +00:00
99 lines
3.3 KiB
Go
99 lines
3.3 KiB
Go
package selfupdate
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"regexp"
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"github.com/google/go-github/v30/github"
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gitconfig "github.com/tcnksm/go-gitconfig"
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"golang.org/x/oauth2"
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)
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// Updater is responsible for managing the context of self-update.
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// It contains GitHub client and its context.
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type Updater struct {
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api *github.Client
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apiCtx context.Context
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validator Validator
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filters []*regexp.Regexp
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}
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// Config represents the configuration of self-update.
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type Config struct {
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// APIToken represents GitHub API token. If it's not empty, it will be used for authentication of GitHub API
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APIToken string
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// EnterpriseBaseURL is a base URL of GitHub API. If you want to use this library with GitHub Enterprise,
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// please set "https://{your-organization-address}/api/v3/" to this field.
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EnterpriseBaseURL string
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// EnterpriseUploadURL is a URL to upload stuffs to GitHub Enterprise instance. This is often the same as an API base URL.
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// So if this field is not set and EnterpriseBaseURL is set, EnterpriseBaseURL is also set to this field.
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EnterpriseUploadURL string
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// Validator represents types which enable additional validation of downloaded release.
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Validator Validator
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// Filters are regexp used to filter on specific assets for releases with multiple assets.
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// An asset is selected if it matches any of those, in addition to the regular tag, os, arch, extensions.
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// Please make sure that your filter(s) uniquely match an asset.
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Filters []string
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}
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func newHTTPClient(ctx context.Context, token string) *http.Client {
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if token == "" {
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return http.DefaultClient
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}
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src := oauth2.StaticTokenSource(&oauth2.Token{AccessToken: token})
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return oauth2.NewClient(ctx, src)
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}
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// NewUpdater creates a new updater instance. It initializes GitHub API client.
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// If you set your API token to $GITHUB_TOKEN, the client will use it.
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func NewUpdater(config Config) (*Updater, error) {
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token := config.APIToken
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if token == "" {
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token = os.Getenv("GITHUB_TOKEN")
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}
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if token == "" {
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token, _ = gitconfig.GithubToken()
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}
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ctx := context.Background()
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hc := newHTTPClient(ctx, token)
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filtersRe := make([]*regexp.Regexp, 0, len(config.Filters))
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for _, filter := range config.Filters {
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re, err := regexp.Compile(filter)
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if err != nil {
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return nil, fmt.Errorf("Could not compile regular expression %q for filtering releases: %v", filter, err)
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}
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filtersRe = append(filtersRe, re)
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}
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if config.EnterpriseBaseURL == "" {
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client := github.NewClient(hc)
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return &Updater{api: client, apiCtx: ctx, validator: config.Validator, filters: filtersRe}, nil
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}
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u := config.EnterpriseUploadURL
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if u == "" {
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u = config.EnterpriseBaseURL
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}
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client, err := github.NewEnterpriseClient(config.EnterpriseBaseURL, u, hc)
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if err != nil {
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return nil, err
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}
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return &Updater{api: client, apiCtx: ctx, validator: config.Validator, filters: filtersRe}, nil
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}
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// DefaultUpdater creates a new updater instance with default configuration.
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// It initializes GitHub API client with default API base URL.
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// If you set your API token to $GITHUB_TOKEN, the client will use it.
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func DefaultUpdater() *Updater {
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token := os.Getenv("GITHUB_TOKEN")
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if token == "" {
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token, _ = gitconfig.GithubToken()
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}
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ctx := context.Background()
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client := newHTTPClient(ctx, token)
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return &Updater{api: github.NewClient(client), apiCtx: ctx}
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}
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