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rABC18f953def5b9: [Cashtab] Add a component to handle external links

Summary

Cashtab links to tokenDocumentUrls which are un-reviewed and could go anywhere. We should notify users.

Introduce a portable component to handle this on the Token page. This component can be used in other places where we may encounter links, like Cashtab Msgs or Airdrop msgs.

Some style modifications to the Modal were necessary to support its use anywhere (being wrapped by the flex table holding the link modified styles)

Test Plan

npm test

can try it out at cashtab.io, go to a token page with a url e.g. https://cashtab.io/#/token/9e0a9d4720782cf661beaea6c5513f1972e0f3b1541ba4c83f4c87ef65f843dc , click the url, see modal

Diff Detail

Repository

rABC Bitcoin ABC

Branch

external-link-warning

Lint

Lint Passed

Unit

No Test Coverage

Build Status

Buildable 33521
Build 66521: Build Diff	cashtab-tests
Build 66520: arc lint + arc unit

Event Timeline

bytesofman created this revision.Jun 3 2025, 22:38

Herald added a reviewer: Restricted Project. · View Herald TranscriptJun 3 2025, 22:38

Harbormaster completed remote builds in B33517: Diff 54319.Jun 3 2025, 22:38

remove debug logs, improve styles

Harbormaster completed remote builds in B33518: Diff 54320.Jun 3 2025, 23:02

lint

Harbormaster completed remote builds in B33519: Diff 54321.Jun 3 2025, 23:02

remove unused styled component, drop unset all

Harbormaster completed remote builds in B33520: Diff 54322.Jun 3 2025, 23:15

remove extra css rule, comments, remove toLowerCase

bytesofman edited the test plan for this revision. (Show Details)Jun 3 2025, 23:17

Harbormaster completed remote builds in B33521: Diff 54323.Jun 3 2025, 23:21

bytesofman published this revision for review.Jun 3 2025, 23:30

I assume the error in token icon submission is because cashtab dot io is not whitelisted with the token icon server?

cashtab/src/components/Common/UncontrolledLink.tsx
89	should make this `.startsWith` rather than includes, to mitigate urls with a scam domain but the url string contains cashtab.com...etc as a querystring parameter.
108	on Ok it should close the modal as well
114	wrap the url, particularly to save mobile users needing to swipe right to see a long url

This revision now requires changes to proceed.Jun 4 2025, 00:47

wrap text, close modal after opening link

Harbormaster completed remote builds in B33524: Diff 54326.Jun 4 2025, 05:24

I assume the error in token icon submission is because cashtab dot io is not whitelisted with the token icon server?

D18197

cashtab/src/components/Common/UncontrolledLink.tsx
89	in this case, it's actually more strict to use `.includes` ... tho ofc `.startsWith` would work in much the same way, also restricting to the correct domain. I also looked at using `.toLowerCase()` We aren't checking if the url happens to include `https://cashtab.com/` in it somewhere -- we are checking if `APPROVED_URLS` contains a string that exactly matches `url`. So, for example, `https://stakedxec.com` and `https://cashtab.com/home` would both fail and pull up the modal. The reason I went with `.includes`: `XECX` uses this exact capitalization. If another token is going to the same url with different capitalization ... really there is prob something scammy about it. ditto firma ditto cashtab.com default tokens For now, erring on the side of "showing the modal too often" is I think the best policy, even if othoer cashtab URLs are (hopefully never) scams.
108	nice good catch
114	nice, added

emack requested changes to this revision.Jun 4 2025, 06:01

emack added inline comments.

cashtab/src/components/Common/UncontrolledLink.tsx
63 ↗	(On Diff #54326)	I think this needs to be `break-word` since urls are one long unbroken word that break-all wouldn't mitigate

This revision now requires changes to proceed.Jun 4 2025, 06:01

patch css for link wrap

bytesofman marked an inline comment as done.Jun 4 2025, 14:47

bytesofman added inline comments.

cashtab/src/components/Common/UncontrolledLink.tsx
63 ↗	(On Diff #54326)	nice, updated

emack accepted this revision.Jun 4 2025, 14:48

This revision is now accepted and ready to land.Jun 4 2025, 14:48

Harbormaster completed remote builds in B33530: Diff 54337.Jun 4 2025, 14:52

Closed by commit rABC18f953def5b9: [Cashtab] Add a component to handle external links (authored by bytesofman). · Explain WhyJun 4 2025, 14:52

This revision was automatically updated to reflect the committed changes.

bytesofman marked an inline comment as done.

bytesofman added a commit: rABC18f953def5b9: [Cashtab] Add a component to handle external links.

[Cashtab] Add a component to handle external links
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Diff 54323

cashtab/src/components/Common/Modal.tsx

cashtab/src/components/Common/UncontrolledLink.tsx

cashtab/src/components/Common/tests/UncontrolledLink.test.tsx

cashtab/src/components/Etokens/Token/index.tsx

[Cashtab] Add a component to handle external linksClosedPublicActions

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Revision ContentsChangeset List

Diff 54323

cashtab/src/components/Common/Modal.tsx

cashtab/src/components/Common/UncontrolledLink.tsx

cashtab/src/components/Common/__tests__/UncontrolledLink.test.tsx

cashtab/src/components/Etokens/Token/index.tsx

[Cashtab] Add a component to handle external links
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cashtab/src/components/Common/tests/UncontrolledLink.test.tsx