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feat(sign): signing UX decisions (2/2) - #14

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feat/sign-page-decisions
Oct 22, 2026
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Second stacked PR, on top of #13. It builds the agent side of the decisions taken on the signing UX brief.

  • Dashboard contract: the window posts {type: "pn-esign", status: "ready", detail: <version>} as soon as it loads. Errors it can't recover from post {status: "error", detail, message, fatal: true}. Messages go only to the dashboard origin. A dashboard that isn't allowed gets nothing, so it reads the agent as not running; the README covers this.
  • Card first: PIN and Sign stay disabled until a reader and a card are detected, and again when the card is removed. /api/status reports card: present | absent | unknown.
  • PIN:
    • The agent counts wrong PINs, counting a wrong PIN once per batch and clearing the count once the card opens.
    • There is a warning before the last attempt and a "show PIN" toggle.
    • No text about where the PIN comes from.
  • Too-old agent: it shows an update screen instead of the PIN, with Linux-specific wording. The version is shown at the bottom of every page.
  • Less on screen:
    • Repeated details are cut.
    • "Requested by" is hidden on your own request.
    • Close appears after signing only when nobody else closes the window.
    • Sign stays in view.
    • Primary buttons are readable in dark mode.
  • CIE ID: the CIE software is called CIE ID everywhere.
  • Release: macOS and Windows downloads are published under fixed names, PoliNetwork-eSign-macos.dmg and PoliNetwork-eSign-windows-amd64.zip, so the dashboard can link releases/latest/download/…. The release workflow checks the names.

gofmt, go vet, go test ./... and go test -race ./... pass. I ran it end to end with the dashboard and backend PRs on a simulated card. A real CIE card hasn't been tried yet.

After merging, tag a release vX.Y.Z (not a pre-release) so the dashboard's download links stop returning 404. Merge order: #13 first, then rebase this onto main (git rebase --onto main fix/sign-page-ux).

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  • internal/server/os.go
  • internal/server/server_test.go

Walkthrough

This PR updates card and PIN handling across the signing API and page, adds platform-specific download links backed by stable release artifacts, and revises CIE ID setup guidance. The release workflow now fails if either required macOS or Windows artifact is missing.

Changes

Signing and release flow

Layer / File(s) Summary
Card status and PIN-attempt API
internal/server/attempts.go, internal/server/server.go, internal/server/attempts_test.go, internal/server/server_test.go, README.md
The server reports card availability and tracks wrong-PIN attempts by signing origin and signer. Job and signing responses include attempt details, and tests cover updating and clearing counts.
Card-aware signing page
internal/server/web/assets/sign.js, internal/server/web/assets/style.css, internal/server/web/sign.html, README.md
The page polls card status and gates PIN entry and submission based on that status. It displays attempt guidance, supports PIN visibility, and sends messages to the supplied dashboard origin.
Platform download links and release artifacts
internal/server/os.go, internal/server/server.go, internal/server/server_test.go, internal/server/web/index.html, internal/server/web/sign.html, scripts/build-macos.sh, scripts/build-windows.sh, .github/workflows/release.yml, README.md
The server renders version and platform download information. macOS and Windows builds use stable artifact names, and the release workflow checks that both artifacts exist.
CIE ID and provider guidance
cmd/esign/app_darwin.go, cmd/esign/doctor.go, internal/server/web/assets/status.js, README.md
Setup notes and provider labels identify CIE ID and other providers. The README updates pairing, middleware, diagnostics, and configuration guidance.

Sequence Diagram(s)

sequenceDiagram
  participant SigningPage
  participant ESignServer
  participant CardProvider
  participant SigningBackend
  participant Dashboard
  SigningPage->>ESignServer: Poll /api/status
  ESignServer->>CardProvider: Read provider and card status
  CardProvider-->>ESignServer: Return availability and card presence
  ESignServer-->>SigningPage: Return card state
  SigningPage->>ESignServer: Submit PIN and signing request
  ESignServer->>CardProvider: Open card and check PIN
  ESignServer->>SigningBackend: Prepare signing after certificate acceptance
  ESignServer-->>SigningPage: Return result and attempt details
  SigningPage-->>Dashboard: Send result to the supplied dashboard origin
Loading

Priority: ➖ Normal

Change: Feature

Merge Risk: 🔵 Low · up to 64cd8

Some users may need additional steps to finish an update. The change is mergeable with that bounded guidance issue.

Pre-merge checks: Passed 3 · Failed 1

Failed Failed checks: 1 warning

Check name Status Explanation Resolution
Docstring Coverage Warning Docstring coverage is 72.58% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 62 functions across 11 files. (5 skipped:… Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed Passed checks: 3 passed
Check name Status Explanation
Title check Passed The title clearly identifies the main change as signing user-experience updates and indicates that this pull request is the second part of the work. It matches the stated objectives and changed files.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage

Explanation

Docstring coverage is 72.58% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 62 functions across 11 files. (5 skipped: 5 unsupported.)

Resolution

Write docstrings for the functions missing them to satisfy the coverage threshold.

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…ames

The dashboard downloads releases/latest/download/PoliNetwork-eSign-macos.dmg
and PoliNetwork-eSign-windows-amd64.zip, so its button gets the right
installer at once instead of opening a release page with a dozen files. The
macOS .zip follows the same pattern. The versioned names go away rather than
doubling every download on the release page: the version stays in the tag,
the app and its pages.

The release fails when either linked file is missing. releases/latest is the
newest release that is not a pre-release, so release candidates never reach
these links. Until the first release with these names, the links answer 404.
The installed app is "CIE ID" on every system; only its Mac App Store listing
says "Software CIE", so Spotlight and Launchpad never found the name the
README and the doctor used. Errors, the status pages, the doctor (which now
labels each provider) and the README say CIE ID and mention the store listing
once.

On macOS the README makes pairing the card in CIE ID the setup check: opening
the app installs Rosetta, and a card that pairs there signs here too. The
doctor suggests pairing when it finds no paired card.
"PoliNetwork eSign 0.4.0" under the panel answers support's first question
from a screenshot, on the signing window too. The agent renders it into the
page, so it shows before any script or status call, and the home page no
longer fills it from the status. Release tags lose their "v".
The signing page posts {status: "ready", detail: <version>} as soon as it
runs, before any request, so the dashboard can close a window that stays
silent (the agent is not running) within seconds instead of waiting for the
job to be seen. Every error that ends the window (no valid link, jobs that
could not be loaded or expired, a card that cannot be used) now also carries
the text the window shows and fatal: true, so the dashboard can explain it in
place of "isn't answering". Other messages keep their meaning.

The first message leaves before the page has asked the agent anything, so the
agent puts the dashboard origin in the page only after checking it against
its allowlist, and the origin stays in the address for reloads. Other sites
that open the page learn nothing from it.
…o old

When the backend answers agent_outdated on loading the jobs, the window shows
"Update PoliNetwork eSign" in place of the PIN form, with the download for
this system: the macOS .dmg or the Windows .zip under their fixed release
names, which download in the window itself, or the release page on Linux. It
tells the dashboard the same way as other errors that end the window, so the
dashboard can show the update too. A refusal at prepare, which the backend
keeps as a safety net, leads to the same screen when nothing was signed.
The signing window asked for the PIN whatever the reader said, so a PIN
typed before placing the CIE failed with "No card on the reader" and had
to be typed again.

The status now says whether a PIN could reach a card: "present",
"absent" when no provider would be tried (no reader, no card, no CIE
software: the signature would fail before the PIN is sent) or "unknown"
when a provider that cannot tell would be tried. The page highlights
"Place your CIE on the reader" and keeps the PIN field and Sign
disabled while the card is absent, again when it is taken away, keeping
the digits typed so far. "Unknown" never holds the PIN back. Two
answers in a row without the card are needed to hold it back again, so
a card moving on the reader does not lock the field. When the card is
found the focus goes to the PIN, or to Sign when the PIN is remembered.
CIE ID's middleware never says how many PIN attempts are left, and the
window forgot every wrong PIN when it closed, so the attempt that blocks
the CIE looked like any other.

The agent now counts the wrong PINs typed in a row for each signer the
dashboard names, in memory, and prefers the attempts left that the card
reports when it reports them. /api/job and a wrong PIN's error carry
them as attempts {left, card}. A blocked card, or a signature the
backend accepts from the signer's card, clears the count; a card the
backend refuses for that signer does not.

The page says what went wrong under the PIN field. Before the last
attempt, also in a window opened again, an amber block above the field
warns that one more wrong PIN blocks the CIE, and "Remember the PIN" is
not offered. The hint and the blocked-PIN message no longer say where
the PIN and PUK digits come from: people who changed their PIN would be
misled.
The PIN field was always masked, so a signer could not check the eight
digits before the attempt that blocks the CIE. An eye at the end of the
field shows them and masks them again (a toggle button, aria-pressed).
A click on it leaves the focus in the field.
Signing several documents of the same signer sent one key per document to the
wrong-PIN count, so a single wrong PIN in a batch of two or more used up two
attempts or more: the window warned "Last attempt" and hid Remember while the
card still had two.
The count was cleared only after the backend accepted a whole signature. After
two wrong PINs, a right PIN followed by a card that slips off the reader, or by
any later failure, kept the window warning "Last attempt" and hiding Remember,
though the card had all its attempts back. The count now clears at the first
prepare the backend accepts, which still keeps it for a card that belongs to
someone else (signer_mismatch).

/api/sign also returns the attempts as they are after the PIN, so the page
stops warning when it shows the form again after a partly failed batch.
- Sign pressed in the moment between the card leaving and a second status
  answer confirming it sent the PIN for nothing: the agent reported no_card
  on the job and the page wiped the digits. After an answer without the card,
  the page now asks the agent again before sending the PIN, and goes back to
  waiting for the card with the digits kept when it is gone.
- A signature that stops before the PIN reaches a card (no card, no reader,
  busy) keeps the typed digits. When the card block already says the card is
  missing, no red error repeats it, and such an error goes away once the card
  is detected.
- A status that keeps failing for any reason, not only an agent that stopped
  answering, counts as unknown after three tries, so the PIN is never held
  back for good.
- "CIE ID is not set up" now shows: unavailable software lists no readers,
  so the page said "Connect the NFC card reader" instead.
- A long reader name stays on one line, with the full name on hover, so the
  card block keeps its height and the form below does not move.
The update screen said "Download the new one and open it: it replaces this
one." on every system, but on Linux the button opens the release page and the
agent is updated through its package. The sentence now comes with the
download link, for the system the agent runs on.
- Batch rows read "Requested by Anna Bianchi · Segretario", which made the
  signer's role look like the requester's. Each row is now the title and one
  line with the role and where to sign.
- The File row is hidden when the file is just the title plus .pdf.
- Typing 4 digits now says "Type all 8 digits of your CIE PIN.", one line
  instead of two, so Sign does not jump. The claim about what other CIE apps
  ask for is gone with it.
The third row of the home page read just "CIE ID", without the label the
reader row has. It now reads "Signing software: CIE ID" (or OpenCIE,
"PoliNetwork eSign (built in)", the development key).
At the dashboard's popup size (460×680), the last-attempt warning pushed Sign
below the fold in a batch of three documents, and at 480×640 even a plain batch
did. The PIN form now fits the window: the list of documents gives up height
first, down to a row and the top of the next, and the version line under the
panel goes below the fold instead. Only a window too small for the form itself
scrolls the form.
White on the dark scheme's light blue accent (#619cf1) is 2.79:1, and 1.87:1
on hover. Primary buttons (Sign, Try again, the download on the update screen)
now use the darkest neutral on it, as the dashboard does: 6.96:1, and 10.4:1
on hover.
… window

Once every document was signed, the window said "You can close this window."
and showed Close, and about a second later the dashboard closed it by itself.
With a dashboard behind it the window now reads just "Signed as …": the
dashboard closes it, or the window closes itself after 4 s. The sentence and
Close appear at once only in a window without an opener, and otherwise only if
the browser keeps the window open after that attempt.
Someone signing their own request read their name twice, in "Requested by" and
right below in "Signing as". The row is now hidden when the requester is the
signer, as the File row is when it repeats the title.
The signing page posts nothing to a dashboard outside the allowed origins, not
even "ready", so other sites can't learn that the agent runs. Such a dashboard
(a staging copy, a new domain) therefore says that PoliNetwork eSign isn't
running. The README now says so, and Troubleshooting points from that message
and the "refused dashboard origin" log line to allowedOrigins.
A signing window whose agent stopped answering before the job loaded read
"PoliNetwork eSign stopped answering. Start it again, then press Sign." and
then "Close this window and start again from the dashboard.", on a page with
no Sign button. It now reads "PoliNetwork eSign stopped" and "Start it again
from the dashboard.", the dashboard's own title and its Start button. A
signature that loses the agent still goes back to the PIN form with the old
sentence, since Sign is there.
@lorenzocorallo
lorenzocorallo force-pushed the feat/sign-page-decisions branch from 443ac19 to 64cd8c0 Compare October 22, 2026 09:58
@lorenzocorallo
lorenzocorallo changed the base branch from fix/sign-page-ux to main October 22, 2026 09:58

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Actionable comments posted: 1


  • 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @internal/server/os.go:
- Line 24: Update each platform’s Update text instead of relying on the shared
replaces instruction: tell Windows users to extract the ZIP and launch
esign.exe, and macOS users to open the app inside the DMG.

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📒 Files selected for processing: 17
  • .github/workflows/release.yml
  • README.md
  • cmd/esign/app_darwin.go
  • cmd/esign/doctor.go
  • internal/server/attempts.go
  • internal/server/attempts_test.go
  • internal/server/os.go
  • internal/server/server.go
  • internal/server/server_test.go
  • internal/server/web/assets/index.js
  • internal/server/web/assets/sign.js
  • internal/server/web/assets/status.js
  • internal/server/web/assets/style.css
  • internal/server/web/index.html
  • internal/server/web/sign.html
  • scripts/build-macos.sh
  • scripts/build-windows.sh
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  • internal/server/web/assets/index.js

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Comment thread internal/server/os.go Outdated
@lorenzocorallo
lorenzocorallo merged commit 540d917 into main Oct 22, 2026
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@lorenzocorallo
lorenzocorallo deleted the feat/sign-page-decisions branch October 22, 2026 10:09
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