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feat: Handling git credentials via credential helper
fixes #5772
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| package credentialhelper | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/url" | ||
| "reflect" | ||
| "strings" | ||
|
|
||
| "github.com/jenkins-x/jx/pkg/util" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
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| // GitCredential represents the different parts of a git credential URL | ||
| // See also https://git-scm.com/docs/git-credential | ||
| type GitCredential struct { | ||
| Protocol string | ||
| Host string | ||
| Path string | ||
| Username string | ||
| Password string | ||
| } | ||
|
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| // CreateGitCredential creates a CreateGitCredential instance from a slice of strings where each element is a key/value pair | ||
| // separated by '='. | ||
| func CreateGitCredential(lines []string) (GitCredential, error) { | ||
| var credential GitCredential | ||
|
|
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| if lines == nil { | ||
| return credential, errors.New("no data lines provided") | ||
| } | ||
|
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| fieldMap, err := util.ExtractKeyValuePairs(lines, "=") | ||
| if err != nil { | ||
| return credential, errors.Wrap(err, "unable to extract git credential parameters") | ||
| } | ||
| for key, value := range fieldMap { | ||
| v := reflect.ValueOf(&credential).Elem().FieldByName(strings.Title(key)) | ||
| if v.IsValid() { | ||
| v.SetString(value) | ||
| } else { | ||
| return GitCredential{}, errors.Errorf("invalid key/value %s/%s", key, value) | ||
| } | ||
| } | ||
|
|
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| return credential, nil | ||
| } | ||
|
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| // CreateGitCredentialFromURL creates a CreateGitCredential instance from a URL and optional username and password. | ||
| func CreateGitCredentialFromURL(gitURL string, username string, password string) (GitCredential, error) { | ||
| var credential GitCredential | ||
|
|
||
| if gitURL == "" { | ||
| return credential, errors.New("url cannot be empty") | ||
| } | ||
|
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| u, err := url.Parse(gitURL) | ||
| if err != nil { | ||
| return credential, errors.Wrapf(err, "unable to parse URL %s", gitURL) | ||
| } | ||
|
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| credential.Protocol = u.Scheme | ||
| credential.Host = u.Host | ||
| credential.Path = u.Path | ||
| if username != "" { | ||
| credential.Username = username | ||
| } | ||
|
|
||
| if password != "" { | ||
| credential.Password = password | ||
| } | ||
|
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| return credential, nil | ||
| } | ||
|
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| // String returns a string representation of this instance according to the expected format of git credential helpers. | ||
| // See also https://git-scm.com/docs/git-credential | ||
| func (g *GitCredential) String() string { | ||
| answer := "" | ||
|
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| value := reflect.ValueOf(g).Elem() | ||
| typeOfT := value.Type() | ||
|
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| for i := 0; i < value.NumField(); i++ { | ||
| field := value.Field(i) | ||
| answer = answer + fmt.Sprintf("%s=%v\n", strings.ToLower(typeOfT.Field(i).Name), field.Interface()) | ||
| } | ||
|
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| answer = answer + "\n" | ||
|
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| return answer | ||
| } | ||
|
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| // Clones this GitCredential instance | ||
| func (g *GitCredential) Clone() GitCredential { | ||
| clone := GitCredential{} | ||
|
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| value := reflect.ValueOf(g).Elem() | ||
| typeOfT := value.Type() | ||
| for i := 0; i < value.NumField(); i++ { | ||
| field := value.Field(i) | ||
| value := field.String() | ||
| v := reflect.ValueOf(&clone).Elem().FieldByName(typeOfT.Field(i).Name) | ||
| v.SetString(value) | ||
| } | ||
|
|
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| return clone | ||
| } | ||
|
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| // URL returns a URL from the data of this instance. If not enough information exist an error is returned | ||
| func (g *GitCredential) URL() (url.URL, error) { | ||
| urlAsString := g.Protocol + "://" + g.Host | ||
| if g.Path != "" { | ||
| urlAsString = urlAsString + "/" + g.Path | ||
| } | ||
| u, err := url.Parse(urlAsString) | ||
| if err != nil { | ||
| return url.URL{}, errors.Wrap(err, "unable to construct URL") | ||
| } | ||
|
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||
| u.User = url.UserPassword(g.Username, g.Password) | ||
| return *u, nil | ||
| } |
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