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# general

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01/30/2023, 12:47 PM

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Tom

01/30/2023, 12:53 PM

Hi @Tanyagorn Benjaprompadung it’s possible to record/playback multiple domains using forward proxying + snapshot recording. There is a little bit of effort involved. Essentially the process is: • Set up WireMock and your client for forward proxying per https://wiremock.org/docs/proxying/#running-as-a-browser-proxy • Generate some traffic from your client via the proxy. • Take a snapshot using the API, ensuring you include the

Host

header in the set of captured headers. For playback you can either continue to use forward proxying or configure a DNS alias for each target hostname you’ve recorded from.

Tom

01/30/2023, 12:57 PM

Here’s a practical example: Start WireMock with templating and proxying enabled:

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java -jar wiremock-jre8-standalone-2.35.0.jar \
  --enable-browser-proxying \
  --local-response-templating

Make some requests to varying domains (note we do this before recording, since we’re using the snapshot feature):

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curl -v -k --proxy-insecure \
  --proxy localhost:8080 <https://api.github.com/users>
curl -v -k --proxy-insecure \
  --proxy localhost:8080 <https://wiremock.org/docs/>

Take a snapshot (essentially recording everything that’s already in the request log):

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curl -v <http://localhost:8080/__admin/recordings/snapshot> -d '{
    "captureHeaders": {
        "Host" : {
          "caseInsensitive" : true
        }
    }
}'

Now if you check your stubs you’ll see you’ve got one for each request with host header matching configured:

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curl <http://localhost:8080/__admin/mappings>

Tanyagorn Benjaprompadung

01/30/2023, 2:34 PM

@Tom Thanks for replying. Somehow I couldn't understand your example. Normally I just start recording by pressing button record in the recorder UI page at http://localhost:8080/__admin/recorder It is pretty simple and straight forward. From your practical example, how can I start recording traffic?

Tom

01/30/2023, 3:32 PM

Snapshotting is essentially recording after the fact - it takes the contents of the request log and treats it as a recording, even though you hadn’t started recording when the traffic arrived

Tom

01/30/2023, 3:32 PM

The benefit at the moment of doing it this way (and we’ll fix this sometime soon) is that snapshotting doesn’t require a target URL for recording, whereas ordinary recording does

Tanyagorn Benjaprompadung

01/31/2023, 10:17 AM

@Tom I just tried what you have suggest. It's all working great! simpler than I originally thought. Thank you so much. This save a lot of my working time.

Tom

01/31/2023, 10:18 AM

Glad to hear it worked for you!

Tanyagorn Benjaprompadung

02/01/2023, 7:31 AM

Hello @Tom, how about taking a snapshot from https request? I have https expose at port 8443 and would like to take a snapshot from that as well. However, got problem with ssl certificate. Any suggestions?

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