move library to own repo

.deepsource.toml

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+version = 1
+
+[[analyzers]]
+name = "go"
+enabled = true
+
+  [analyzers.meta]
+  import_paths = ["github.com/oidc-mytoken/lib"]

.gitignore

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+/.idea/
+tags
+dist/

LICENSE

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+MIT License
+
+Copyright (c) 2020-2021 Gabriel Zachmann
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+![mytoken logo](https://git.scc.kit.edu/oidc/mytoken/-/raw/master/docs/img/mytoken.png)
+
+[![License](https://img.shields.io/github/license/oidc-mytoken/lib.svg)](https://github.com/oidc-mytoken/lib/blob/master/LICENSE)
+![GitHub go.mod Go version](https://img.shields.io/github/go-mod/go-version/oidc-mytoken/lib)
+[![Go Report](https://goreportcard.com/badge/github.com/oidc-mytoken/lib)](https://goreportcard.com/report/github.com/oidc-mytoken/lib)
+[![DeepSource](https://deepsource.io/gh/oidc-mytoken/lib.svg/?label=active+issues&show_trend=true)](https://deepsource.io/gh/oidc-mytoken/lib/?ref=repository-badge)
+[![Release date](https://img.shields.io/github/release-date/oidc-mytoken/lib.svg)](https://github.com/oidc-mytoken/lib/releases/latest)
+[![Release version](https://img.shields.io/github/release/oidc-mytoken/lib.svg)](https://github.com/oidc-mytoken/lib/releases/latest)
+
+# mytokenlib
+
+`mytokenlib` is a go library for communicating with amytoken server.
+`mytoken` is a central web service with the goal to easily obtain OpenID Connect access tokens across devices.
+
+A mytoken command line client can be found at [https://github.com/oidc-mytoken/client](https://github.com/oidc-mytoken/client).
+
+The mytoken server can be found at [https://github.com/oidc-mytoken/server](https://github.com/oidc-mytoken/server).
+
+A demo instance of mytoken is running at [https://mytoken.data.kit.edu/](https://mytoken.data.kit.edu/).

accesstoken.go

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+package mytokenlib
+
+import (
+	"github.com/oidc-mytoken/server/pkg/api/v0"
+	"github.com/oidc-mytoken/server/shared/httpClient"
+)
+
+func (my *MytokenProvider) GetAccessToken(mytoken, oidcIssuer string, scopes, audiences []string, comment string) (string, error) {
+	req := NewAccessTokenRequest(oidcIssuer, mytoken, scopes, audiences, comment)
+	resp, err := httpClient.Do().R().SetBody(req).SetResult(&api.AccessTokenResponse{}).SetError(&api.APIError{}).Post(my.AccessTokenEndpoint)
+	if err != nil {
+		return "", newMytokenErrorFromError("error while sending http request", err)
+	}
+	if e := resp.Error(); e != nil {
+		if errRes := e.(*api.APIError); errRes != nil && errRes.Error != "" {
+			return "", &MytokenError{
+				err:          errRes.Error,
+				errorDetails: errRes.ErrorDescription,
+			}
+		}
+	}
+	atRes, ok := resp.Result().(*api.AccessTokenResponse)
+	if !ok {
+		return "", &MytokenError{
+			err: unexpectedResponse,
+		}
+	}
+	return atRes.AccessToken, nil
+}

error.go

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+package mytokenlib
+
+// MytokenError is a error type from the mytoken library
+type MytokenError struct {
+	err          string
+	errorDetails string
+}
+
+func (err *MytokenError) Error() string {
+	e := err.err
+	if err.errorDetails != "" {
+		e += ": " + err.errorDetails
+	}
+	return e
+}
+
+func newMytokenErrorFromError(e string, err error) *MytokenError {
+	return &MytokenError{
+		err:          e,
+		errorDetails: err.Error(),
+	}
+}
+
+const unexpectedResponse = "unexpected response from mytoken server"
+const errorWhileHttp = "error while sending http request"

go.mod

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+module github.com/oidc-mytoken/lib
+
+go 1.13
+
+require github.com/oidc-mytoken/server v0.1.1-0.20210408094857-353b733d8e2b