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Re: [tor-bugs] #24433 [Obfuscation/BridgeDB]: moat isn't returning bridges on successful CAPTCHA completion?



#24433: moat isn't returning bridges on successful CAPTCHA completion?
----------------------------------+------------------------------
 Reporter:  isis                  |          Owner:  isis
     Type:  defect                |         Status:  needs_review
 Priority:  High                  |      Milestone:
Component:  Obfuscation/BridgeDB  |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  bridgedb-dist moat    |  Actual Points:
Parent ID:                        |         Points:  1
 Reviewer:                        |        Sponsor:  SponsorM
----------------------------------+------------------------------
Changes (by isis):

 * status:  new => needs_review


Comment:

 Aha, there was a bug in the `test-moat` script, because the server
 requires (in order to create and check the CAPTCHA) that it has some
 notion of what the client's IP is.  Added an "X-Forwarded-For" header to
 the curl command fixed it.  I've also made it somewhat easier to pass the
 latest challenge and the solution (always "Tvx74PMy" since that's the only
 CAPTCHA in the `bridgedb.git/captchas` directory):

 {{{
 (bdb)∃!isisⒶwintermute:(develop *$>)~/code/torproject/bridgedb ∴ ./scripts
 /test-moat fetch
 {"data": [{"challenge": "QSPBFMxqGi-
 mlxwPcjWJ7FJqY0FW0wx60B5zTM4LMWDda8VwRzKtClAsBCdVP-
 q8WDYD5sRj6PzDXF1hAdsOJu0M-
 AWokcF6nxfOg0ZadpINW3QHqtdu9Veg0j2GBjQVquyLi5LrZ2R1hNi17igQdm1xgtrLsnWbu_Ts4SCSRxBy9W6nXYkWRqnbzU2BQgbvkIKrDhbqAdhSQsWDr25tWYYRVK6k_GBSJOblJ_vRBYZdIuCC-
 BZVQicJM2c3j_5aj0ClApe_EacqN6CL-
 nk6yR9Ukw8gNQelIewvREkqbdxR6Rhiwfc059pIt9wyMQL6_yMODSpmtocui_5ecNDvSXPxE5qZiV9f-
 Rsg_Bh3ccFRFNpw", "id": 1, "version": "0.1.0", "type": "moat-challenge",
 "image":
 "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
 }}}

 Taking the "challenge" field from the above response along with the
 solution, it should respond now with bridges:

 {{{
 (bdb)∃!isisⒶwintermute:(fix/24433 *$)~/code/torproject/bridgedb ∴
 ./scripts/test-moat check QSPBFMxqGi-
 mlxwPcjWJ7FJqY0FW0wx60B5zTM4LMWDda8VwRzKtClAsBCdVP-
 q8WDYD5sRj6PzDXF1hAdsOJu0M-
 AWokcF6nxfOg0ZadpINW3QHqtdu9Veg0j2GBjQVquyLi5LrZ2R1hNi17igQdm1xgtrLsnWbu_Ts4SCSRxBy9W6nXYkWRqnbzU2BQgbvkIKrDhbqAdhSQsWDr25tWYYRVK6k_GBSJOblJ_vRBYZdIuCC-
 BZVQicJM2c3j_5aj0ClApe_EacqN6CL-
 nk6yR9Ukw8gNQelIewvREkqbdxR6Rhiwfc059pIt9wyMQL6_yMODSpmtocui_5ecNDvSXPxE5qZiV9f-
 Rsg_Bh3ccFRFNpw Tvx74PMy
 {"data": [{"qrcode":
 "data:image/jpeg;base64,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 }}}

 Please let me know if this works for you!

 The fix is in my `fix/24433` branch which I've already merged into the
 `develop` branch.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24433#comment:1>
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