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a849ac0d5f
* Implement a logging client and activate it using verbose parameter or option in checker and aggregator. Co-authored-by: Sascha L. Teichmann <sascha.teichmann@intevation.de>
99 lines
3.1 KiB
Go
99 lines
3.1 KiB
Go
// This file is Free Software under the MIT License
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// without warranty, see README.md and LICENSES/MIT.txt for details.
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//
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// SPDX-License-Identifier: MIT
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//
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// SPDX-FileCopyrightText: 2022 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
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// Software-Engineering: 2022 Intevation GmbH <https://intevation.de>
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package util
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import (
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"context"
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"io"
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"log"
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"net/http"
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"net/url"
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"golang.org/x/time/rate"
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)
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// Client is an interface to abstract http.Client.
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type Client interface {
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Do(req *http.Request) (*http.Response, error)
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Get(url string) (*http.Response, error)
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Head(url string) (*http.Response, error)
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Post(url, contentType string, body io.Reader) (*http.Response, error)
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PostForm(url string, data url.Values) (*http.Response, error)
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}
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// LoggingClient is a client that logs called URLs.
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type LoggingClient struct {
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Client
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}
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// LimitingClient is a Client implementing rate throttling.
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type LimitingClient struct {
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Client
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Limiter *rate.Limiter
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}
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// Do implements the respective method of the Client interface.
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func (lc *LoggingClient) Do(req *http.Request) (*http.Response, error) {
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log.Printf("[DO]: %s\n", req.URL.String())
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return lc.Do(req)
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}
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// Get implements the respective method of the Client interface.
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func (lc *LoggingClient) Get(url string) (*http.Response, error) {
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log.Printf("[GET]: %s\n", url)
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return lc.Client.Get(url)
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}
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// Head implements the respective method of the Client interface.
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func (lc *LoggingClient) Head(url string) (*http.Response, error) {
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log.Printf("[HEAD]: %s\n", url)
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return lc.Head(url)
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}
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// Post implements the respective method of the Client interface.
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func (lc *LoggingClient) Post(url, contentType string, body io.Reader) (*http.Response, error) {
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log.Printf("[POST]: %s\n", url)
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return lc.Post(url, contentType, body)
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}
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// PostForm implements the respective method of the Client interface.
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func (lc *LoggingClient) PostForm(url string, data url.Values) (*http.Response, error) {
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log.Printf("[POST FORM]: %s\n", url)
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return lc.PostForm(url, data)
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}
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// Do implements the respective method of the Client interface.
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func (lc *LimitingClient) Do(req *http.Request) (*http.Response, error) {
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lc.Limiter.Wait(context.Background())
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return lc.Client.Do(req)
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}
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// Get implements the respective method of the Client interface.
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func (lc *LimitingClient) Get(url string) (*http.Response, error) {
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lc.Limiter.Wait(context.Background())
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return lc.Client.Get(url)
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}
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// Head implements the respective method of the Client interface.
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func (lc *LimitingClient) Head(url string) (*http.Response, error) {
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lc.Limiter.Wait(context.Background())
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return lc.Client.Head(url)
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}
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// Post implements the respective method of the Client interface.
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func (lc *LimitingClient) Post(url, contentType string, body io.Reader) (*http.Response, error) {
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lc.Limiter.Wait(context.Background())
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return lc.Client.Post(url, contentType, body)
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}
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// PostForm implements the respective method of the Client interface.
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func (lc *LimitingClient) PostForm(url string, data url.Values) (*http.Response, error) {
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lc.Limiter.Wait(context.Background())
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return lc.Client.PostForm(url, data)
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}
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