Merge pull request #770 from PR0M3TH3AN/codex/implement-remote-signer-handshake-and-ui-updates

Add client-first NIP-46 pairing flow
This commit is contained in:
thePR0M3TH3AN authored and GitHub committed 2025-10-21 19:25:46 -04:00
commit 0beea9e299
6 files changed
+1671 -94

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+74 -23
View File
@@ -240,10 +240,10 @@
class="space-y-4 rounded-xl border border-border bg-overlay-panel-soft px-5 py-4"
>
<div class="space-y-2">
<h3 class="text-lg font-semibold text-text">Connect remote signer</h3>
<h3 class="text-lg font-semibold text-text">Pair a remote signer</h3>
<p class="text-sm text-text-muted">
Paste the <code>nostrconnect://</code> or <code>bunker://</code> link
from your signer to establish a Nostr Connect session.
Scan the QR code with your signer or share the connect link to start a
Nostr Connect session.
</p>
</div>
<div
@@ -251,27 +251,78 @@
class="hidden rounded-lg border border-danger/60 bg-danger/10 px-4 py-2 text-sm text-danger"
role="alert"
></div>
<div data-nip46-handshake-panel class="space-y-3">
<div class="flex flex-col gap-4 sm:flex-row sm:items-start">
<div
class="flex h-48 w-48 items-center justify-center rounded-lg border border-border-strong bg-bg-muted"
data-nip46-qr
aria-hidden="true"
>
<div class="text-center text-xs text-text-muted">
Generating connect code…
</div>
</div>
<div class="flex-1 space-y-2">
<label class="block text-sm font-medium text-text" for="nip46HandshakeUri">
Connect URI
</label>
<textarea
id="nip46HandshakeUri"
class="input"
rows="3"
spellcheck="false"
autocomplete="off"
data-nip46-handshake-uri
readonly
></textarea>
<div class="flex flex-wrap items-center gap-2">
<button type="button" class="btn-ghost text-sm" data-nip46-copy-uri disabled>
Copy link
</button>
</div>
<p
data-nip46-secret
class="hidden text-xs text-text-muted"
></p>
</div>
</div>
</div>
<div
data-nip46-status
class="hidden rounded-lg border border-info/40 bg-info/10 px-4 py-2 text-sm text-info"
role="status"
></div>
<div
data-nip46-auth
class="hidden rounded-lg border border-warning/50 bg-warning/10 px-4 py-2 text-sm text-warning"
role="alert"
>
<p data-nip46-auth-message class="mb-2"></p>
<button type="button" class="btn-link text-sm" data-nip46-auth-open>
Open signer challenge
</button>
</div>
<div class="space-y-2">
<label
class="block text-sm font-medium text-text"
for="nip46ConnectUri"
>
Connection string
</label>
<textarea
id="nip46ConnectUri"
class="input"
rows="3"
spellcheck="false"
autocomplete="off"
placeholder="nostrconnect://… or bunker://…"
data-nip46-connect-uri
required
></textarea>
<p class="text-xs text-text-muted">
We will connect to the relays embedded in the link and request signing
permissions on your behalf.
</p>
<button type="button" class="btn-link text-sm" data-nip46-toggle-manual>
Paste a signer-provided bunker link instead
</button>
<div class="hidden space-y-2" data-nip46-manual-fields>
<label class="block text-sm font-medium text-text" for="nip46LegacyUri">
Signer link
</label>
<textarea
id="nip46LegacyUri"
class="input"
rows="2"
spellcheck="false"
autocomplete="off"
placeholder="bunker://…"
data-nip46-legacy-uri
></textarea>
<p class="text-xs text-text-muted">
Use this fallback when your signer cannot scan QR codes.
</p>
</div>
</div>
<div class="space-y-2">
<label class="inline-flex items-center gap-2 text-sm text-text">
+28 -17
View File
@@ -4,26 +4,37 @@ bitvid can delegate event signing to a remote NIP-46 compatible signer. This
flow lets operators keep long-lived keys on hardened devices while approving
publish/edit/delete actions from a separate browser session.
## Connection strings
## Connection workflow
bitvid currently expects `bunker://` style URIs. They should embed the remote
signer pubkey in the host segment and may include the following query
parameters:
### Client-initiated handshake (preferred)
- `relay=` – one or more WSS relay URLs the signer watches for RPC requests.
Repeat the parameter to advertise multiple relays.
- `secret=` – optional shared secret that must echo back during the `connect`
handshake.
- `perms=` – optional permission string. When present bitvid forwards it during
the initial `connect` RPC.
- `name`, `url`, `image` – optional metadata shown in the login modal so users
can distinguish between saved signers.
When an operator chooses the remote signer option, bitvid now generates a fresh
`nostrconnect://` URI and displays it alongside a QR code. The URI encodes:
URIs without `relay=` parameters fall back to bitvid’s default relay bundle
(`wss://relay.damus.io`, `wss://nos.lol`, `wss://relay.snort.social`,
`wss://relay.primal.net`, `wss://relay.nostr.band`). Make sure your signer also
publishes to at least one of these relays so both the browser and signer see the
same NIP-46 frames.
- A short-lived client key pair dedicated to the session.
- The default WSS relay bundle (`wss://relay.damus.io`, `wss://nos.lol`,
`wss://relay.snort.social`, `wss://relay.primal.net`,
`wss://relay.nostr.band`).
- A random `secret` value that must be echoed back by the signer to prevent
spoofed acknowledgements.
- Optional metadata (`name`, `url`, `image`) so the signer can display the
client branding during pairing.
- Optional `perms` requested by the client.
Remote signers should scan the QR code or otherwise receive the
`nostrconnect://` link, subscribe to the advertised relays, and respond with a
`connect` acknowledgement signed by the remote signer key. The response must
include the `secret` value that was present in the URI. bitvid listens for this
acknowledgement before attempting the RPC `connect` call so operators see a
clear “waiting for signer” status in the modal.
### Fallback bunker links
Some signers still distribute `bunker://` URIs that point to the remote signer
pubkey. The modal keeps a “paste bunker link” toggle so operators can supply the
URI manually when QR pairing isn’t available. These URIs can advertise the same
`relay=`, `secret=`, `perms=`, `name`, `url`, and `image` parameters described
above. If no relays are specified the default bundle listed earlier is used.
## Relay requirements
+478 -29
View File
@@ -193,6 +193,8 @@ const NIP46_PUBLISH_TIMEOUT_MS = 8_000;
const NIP46_RESPONSE_TIMEOUT_MS = 15_000;
const NIP46_SIGN_EVENT_TIMEOUT_MS = 20_000;
const NIP46_MAX_RETRIES = 1;
const NIP46_HANDSHAKE_TIMEOUT_MS = 60_000;
const NIP46_AUTH_CHALLENGE_MAX_ATTEMPTS = 5;
function getNip46Storage() {
if (typeof localStorage !== "undefined" && localStorage) {
@@ -3412,6 +3414,61 @@ function parseNip46ConnectionString(uri) {
};
}
function generateNip46Secret(length = 16) {
const size = Number.isFinite(length) && length > 0 ? Math.min(64, Math.max(8, Math.floor(length))) : 16;
try {
if (typeof crypto !== "undefined" && crypto?.getRandomValues) {
const bytes = new Uint8Array(size);
crypto.getRandomValues(bytes);
return Array.from(bytes, (byte) => byte.toString(16).padStart(2, "0")).join("");
}
} catch (error) {
// fall through to Math.random fallback
}
let secret = "";
for (let i = 0; i < size; i += 1) {
secret += Math.floor(Math.random() * 16).toString(16);
}
return secret;
}
function sanitizeNip46Metadata(metadata) {
if (!metadata || typeof metadata !== "object") {
return {};
}
const normalized = {};
for (const key of ["name", "url", "image"]) {
if (typeof metadata[key] === "string" && metadata[key].trim()) {
normalized[key] = metadata[key].trim();
}
}
return normalized;
}
async function decryptNip46PayloadWithKeys(privateKey, remotePubkey, ciphertext) {
const tools = (await ensureNostrTools()) || getCachedNostrTools();
if (!tools) {
throw new Error("NostrTools helpers are unavailable for NIP-46 payload decryption.");
}
let decrypt = null;
if (tools?.nip44?.v2?.decrypt) {
decrypt = (priv, pub, payload) => tools.nip44.v2.decrypt(priv, pub, payload);
} else if (tools?.nip44?.decrypt) {
decrypt = (priv, pub, payload) => tools.nip44.decrypt(priv, pub, payload);
} else if (tools?.nip04?.decrypt) {
decrypt = (priv, pub, payload) => tools.nip04.decrypt(priv, pub, payload);
}
if (!decrypt) {
throw new Error("Remote signer encryption helpers are unavailable.");
}
return decrypt(privateKey, remotePubkey, ciphertext);
}
class Nip46RpcClient {
constructor({
nostrClient,
@@ -4616,6 +4673,46 @@ export class NostrClient {
return { privateKey, publicKey: publicKey.toLowerCase() };
}
async prepareRemoteSignerHandshake({ metadata, relays, secret, permissions } = {}) {
const keyPair = await this.createNip46KeyPair();
const sanitizedMetadata = sanitizeNip46Metadata(metadata);
const requestedPermissions =
typeof permissions === "string" && permissions.trim() ? permissions.trim() : "";
const resolvedRelays = resolveNip46Relays(relays, this.relays);
const handshakeSecret =
typeof secret === "string" && secret.trim() ? secret.trim() : generateNip46Secret();
const params = [];
for (const relay of resolvedRelays) {
params.push(`relay=${encodeURIComponent(relay)}`);
}
if (handshakeSecret) {
params.push(`secret=${encodeURIComponent(handshakeSecret)}`);
}
if (requestedPermissions) {
params.push(`perms=${encodeURIComponent(requestedPermissions)}`);
}
for (const [key, value] of Object.entries(sanitizedMetadata)) {
params.push(`${encodeURIComponent(key)}=${encodeURIComponent(value)}`);
}
const query = params.length ? `?${params.join("&")}` : "";
const uri = `nostrconnect://${keyPair.publicKey}${query}`;
return {
type: "client",
connectionString: uri,
uri,
clientPrivateKey: keyPair.privateKey,
clientPublicKey: keyPair.publicKey,
relays: resolvedRelays,
secret: handshakeSecret,
permissions: requestedPermissions,
metadata: sanitizedMetadata,
};
}
installNip46Client(client, { userPubkey } = {}) {
if (this.nip46Client && this.nip46Client !== client) {
try {
@@ -4638,54 +4735,398 @@ export class NostrClient {
return signer;
}
async connectRemoteSigner({ connectionString, remember = true } = {}) {
async waitForRemoteSignerHandshake({
clientPrivateKey,
clientPublicKey,
relays,
secret,
onAuthUrl,
onStatus,
timeoutMs,
} = {}) {
const normalizedClientPublicKey = normalizeNostrPubkey(clientPublicKey);
if (!normalizedClientPublicKey) {
throw new Error("A client public key is required to await the remote signer handshake.");
}
if (!clientPrivateKey || typeof clientPrivateKey !== "string" || !HEX64_REGEX.test(clientPrivateKey)) {
throw new Error("A client private key is required to await the remote signer handshake.");
}
const resolvedRelays = resolveNip46Relays(relays, this.relays);
if (!resolvedRelays.length) {
throw new Error("No relays available to complete the remote signer handshake.");
}
const pool = await this.ensurePool();
const filters = [
{
kinds: [NIP46_RPC_KIND],
"#p": [normalizedClientPublicKey],
},
];
const waitTimeout = Number.isFinite(timeoutMs) && timeoutMs > 0 ? timeoutMs : NIP46_HANDSHAKE_TIMEOUT_MS;
return new Promise((resolve, reject) => {
let settled = false;
const cleanup = () => {
if (settled) {
return;
}
settled = true;
try {
subscription?.unsub?.();
} catch (error) {
// ignore subscription cleanup failures
}
if (timeoutId) {
clearTimeout(timeoutId);
}
};
const timeoutId = setTimeout(() => {
cleanup();
const error = new Error("Timed out waiting for the remote signer to acknowledge the connection.");
error.code = "nip46-handshake-timeout";
reject(error);
}, waitTimeout);
let subscription;
try {
subscription = pool.sub(resolvedRelays, filters);
} catch (error) {
cleanup();
reject(error);
return;
}
subscription.on("event", (event) => {
if (settled) {
return;
}
if (!event || event.kind !== NIP46_RPC_KIND) {
return;
}
const remotePubkey = normalizeNostrPubkey(event.pubkey);
if (!remotePubkey) {
return;
}
Promise.resolve()
.then(() => decryptNip46PayloadWithKeys(clientPrivateKey, remotePubkey, event.content))
.then((payload) => {
let parsed;
try {
parsed = JSON.parse(payload);
} catch (error) {
devLogger.warn("[nostr] Failed to parse remote signer handshake payload:", error);
return;
}
const resultValue = typeof parsed?.result === "string" ? parsed.result.trim() : "";
const errorValue = typeof parsed?.error === "string" ? parsed.error.trim() : "";
if (resultValue === "auth_url" && errorValue) {
if (typeof onAuthUrl === "function") {
try {
onAuthUrl(errorValue, {
phase: "handshake",
remotePubkey,
requestId: typeof parsed?.id === "string" ? parsed.id : "",
});
} catch (callbackError) {
devLogger.warn("[nostr] Handshake auth_url callback threw:", callbackError);
}
}
return;
}
if (secret) {
if (!resultValue || resultValue !== secret) {
return;
}
}
if (!secret && resultValue) {
const normalized = resultValue.toLowerCase();
if (!["ack", "ok", "success"].includes(normalized)) {
return;
}
}
cleanup();
if (typeof onStatus === "function") {
try {
onStatus({
phase: "handshake",
state: "acknowledged",
message: "Remote signer acknowledged the connect request.",
remotePubkey,
});
} catch (callbackError) {
devLogger.warn("[nostr] Handshake status callback threw:", callbackError);
}
}
resolve({
remotePubkey,
response: parsed,
});
})
.catch((error) => {
devLogger.warn("[nostr] Failed to decrypt remote signer handshake payload:", error);
});
});
subscription.on("eose", () => {
// no-op: handshake responses are push-based
});
});
}
async connectRemoteSigner({
connectionString,
remember = true,
clientPrivateKey: providedClientPrivateKey = "",
clientPublicKey: providedClientPublicKey = "",
relays: providedRelays = [],
secret: providedSecret = "",
permissions: providedPermissions = "",
metadata: providedMetadata = {},
onAuthUrl,
onStatus,
handshakeTimeoutMs,
} = {}) {
const parsed = parseNip46ConnectionString(connectionString);
if (!parsed || parsed.type !== "remote" || !parsed.remotePubkey) {
if (!parsed) {
const error = new Error(
"Unsupported NIP-46 URI. Paste the bunker:// link provided by your signer.",
"Unsupported NIP-46 URI. Provide a nostrconnect:// handshake or bunker:// pointer.",
);
error.code = "invalid-connection-string";
throw error;
}
const keyPair = await this.createNip46KeyPair();
const relays = resolveNip46Relays(parsed.relays, this.relays);
const baseMetadata = sanitizeNip46Metadata(parsed.metadata);
const overrideMetadata = sanitizeNip46Metadata(providedMetadata);
const metadata = { ...baseMetadata, ...overrideMetadata };
this.emitRemoteSignerChange({
state: "connecting",
remotePubkey: parsed.remotePubkey,
relays,
metadata: parsed.metadata,
});
const handleStatus = (status) => {
if (typeof onStatus !== "function") {
return;
}
try {
onStatus(status);
} catch (error) {
devLogger.warn("[nostr] Remote signer status callback threw:", error);
}
};
const handleAuthChallenge = async (url, context = {}) => {
if (typeof onAuthUrl !== "function" || !url) {
return;
}
try {
const result = onAuthUrl(url, context);
if (result && typeof result.then === "function") {
await result.catch((error) => {
devLogger.warn("[nostr] Auth challenge callback promise rejected:", error);
});
}
} catch (error) {
devLogger.warn("[nostr] Remote signer auth callback threw:", error);
}
};
const mergedRelaysSource = parsed.relays.length ? parsed.relays : providedRelays;
const relays = resolveNip46Relays(mergedRelaysSource, this.relays);
let secret = typeof providedSecret === "string" && providedSecret.trim() ? providedSecret.trim() : parsed.secret;
let permissions =
typeof providedPermissions === "string" && providedPermissions.trim()
? providedPermissions.trim()
: parsed.permissions;
let clientPrivateKey = "";
let clientPublicKey = "";
let remotePubkey = normalizeNostrPubkey(parsed.remotePubkey);
if (parsed.type === "client") {
clientPrivateKey =
typeof providedClientPrivateKey === "string" && providedClientPrivateKey.trim()
? providedClientPrivateKey.trim().toLowerCase()
: "";
if (!clientPrivateKey || !HEX64_REGEX.test(clientPrivateKey)) {
const error = new Error(
"Remote signer handshake requires the generated client private key.",
);
error.code = "missing-client-private-key";
throw error;
}
clientPublicKey = normalizeNostrPubkey(providedClientPublicKey) || parsed.clientPubkey;
if (!clientPublicKey) {
const tools = (await ensureNostrTools()) || getCachedNostrTools();
if (!tools || typeof tools.getPublicKey !== "function") {
throw new Error("Public key derivation is unavailable for the remote signer handshake.");
}
clientPublicKey = normalizeNostrPubkey(tools.getPublicKey(clientPrivateKey));
}
if (!clientPublicKey || !HEX64_REGEX.test(clientPublicKey)) {
const error = new Error("Invalid client public key for the remote signer handshake.");
error.code = "invalid-client-public-key";
throw error;
}
if (parsed.clientPubkey && normalizeNostrPubkey(parsed.clientPubkey) !== clientPublicKey) {
const error = new Error("Handshake public key mismatch detected.");
error.code = "client-public-key-mismatch";
throw error;
}
if (!secret) {
secret = generateNip46Secret();
}
handleStatus({
phase: "handshake",
state: "waiting",
message: "Waiting for the signer to acknowledge the connection…",
relays,
});
this.emitRemoteSignerChange({
state: "connecting",
relays,
metadata,
message: "Waiting for the signer to acknowledge the connection.",
});
let handshakeResult;
try {
handshakeResult = await this.waitForRemoteSignerHandshake({
clientPrivateKey,
clientPublicKey,
relays,
secret,
onAuthUrl: (url, context) => handleAuthChallenge(url, context),
onStatus: handleStatus,
timeoutMs: handshakeTimeoutMs,
});
} catch (error) {
this.emitRemoteSignerChange({
state: "error",
relays,
metadata,
message: error?.message || "Remote signer handshake failed.",
error,
});
throw error;
}
remotePubkey = normalizeNostrPubkey(handshakeResult?.remotePubkey);
if (!remotePubkey) {
const error = new Error("Remote signer did not return a valid public key.");
error.code = "missing-remote-pubkey";
throw error;
}
} else {
const keyPair = await this.createNip46KeyPair(
providedClientPrivateKey,
providedClientPublicKey,
);
clientPrivateKey = keyPair.privateKey;
clientPublicKey = keyPair.publicKey;
this.emitRemoteSignerChange({
state: "connecting",
remotePubkey,
relays,
metadata,
});
}
if (!remotePubkey) {
remotePubkey = normalizeNostrPubkey(parsed.remotePubkey);
}
if (!remotePubkey) {
const error = new Error("Remote signer pubkey is required to establish the session.");
error.code = "missing-remote-pubkey";
throw error;
}
const client = new Nip46RpcClient({
nostrClient: this,
clientPrivateKey: keyPair.privateKey,
clientPublicKey: keyPair.publicKey,
remotePubkey: parsed.remotePubkey,
clientPrivateKey,
clientPublicKey,
remotePubkey,
relays,
secret: parsed.secret,
permissions: parsed.permissions,
metadata: parsed.metadata,
secret,
permissions,
metadata,
});
try {
await client.ensureSubscription();
await client.connect({ permissions: parsed.permissions });
handleStatus({
phase: "connect",
state: "request",
message: "Requesting approval from the remote signer…",
remotePubkey,
});
let attempts = 0;
// Attempt the connect RPC, handling auth challenges when provided.
for (;;) {
try {
await client.connect({ permissions });
break;
} catch (error) {
if (error?.code === "auth-challenge" && error.authUrl) {
attempts += 1;
handleStatus({
phase: "auth",
state: "waiting",
message: "Complete the authentication challenge in your signer…",
remotePubkey,
attempt: attempts,
});
await handleAuthChallenge(error.authUrl, {
phase: "connect",
remotePubkey,
attempt: attempts,
});
if (attempts >= NIP46_AUTH_CHALLENGE_MAX_ATTEMPTS) {
throw error;
}
continue;
}
throw error;
}
}
const userPubkey = await client.getUserPubkey();
client.metadata = parsed.metadata;
client.metadata = metadata;
const signer = this.installNip46Client(client, { userPubkey });
if (remember) {
writeStoredNip46Session({
version: 1,
clientPrivateKey: keyPair.privateKey,
clientPublicKey: keyPair.publicKey,
remotePubkey: parsed.remotePubkey,
clientPrivateKey,
clientPublicKey,
remotePubkey,
relays,
secret: parsed.secret,
permissions: parsed.permissions,
metadata: parsed.metadata,
secret,
permissions,
metadata,
userPubkey,
lastConnectedAt: Date.now(),
});
@@ -4695,10 +5136,18 @@ export class NostrClient {
this.emitRemoteSignerChange({
state: "connected",
remotePubkey: parsed.remotePubkey,
remotePubkey,
userPubkey,
relays,
metadata: parsed.metadata,
metadata,
});
handleStatus({
phase: "connected",
state: "ready",
message: "Remote signer connected successfully.",
remotePubkey,
userPubkey,
});
return { pubkey: userPubkey, signer };
@@ -4710,9 +5159,9 @@ export class NostrClient {
}
this.emitRemoteSignerChange({
state: "error",
remotePubkey: parsed.remotePubkey,
remotePubkey,
relays,
metadata: parsed.metadata,
metadata,
message: error?.message || "Remote signer connection failed.",
error,
});
+75 -1
View File
@@ -1,3 +1,5 @@
import { devLogger } from "../../utils/logger.js";
const PROVIDER_ID = "nip46";
const PROVIDER_LABEL = "remote signer (nip-46)";
const PROVIDER_DESCRIPTION =
@@ -49,6 +51,15 @@ function normalizeOptions(options) {
connectionString: "",
remember: true,
reuseStored: false,
mode: "handshake",
onHandshakePrepared: null,
onStatus: null,
onAuthUrl: null,
metadata: {},
secret: "",
permissions: "",
relays: [],
handshakeTimeoutMs: undefined,
};
}
@@ -57,6 +68,22 @@ function normalizeOptions(options) {
typeof options.connectionString === "string" ? options.connectionString.trim() : "",
remember: options.remember !== false,
reuseStored: options.reuseStored === true,
mode: options.mode === "manual" ? "manual" : "handshake",
onHandshakePrepared:
typeof options.onHandshakePrepared === "function" ? options.onHandshakePrepared : null,
onStatus: typeof options.onStatus === "function" ? options.onStatus : null,
onAuthUrl: typeof options.onAuthUrl === "function" ? options.onAuthUrl : null,
metadata: options.metadata && typeof options.metadata === "object" ? options.metadata : {},
secret:
typeof options.secret === "string" && options.secret.trim() ? options.secret.trim() : "",
permissions:
typeof options.permissions === "string" && options.permissions.trim()
? options.permissions.trim()
: "",
relays: Array.isArray(options.relays) ? options.relays : [],
handshakeTimeoutMs: Number.isFinite(options.handshakeTimeoutMs)
? Number(options.handshakeTimeoutMs)
: undefined,
};
}
@@ -95,7 +122,7 @@ export default {
}
result = await nostrClient.useStoredRemoteSigner();
} else {
} else if (normalized.mode === "manual") {
const uri = normalized.connectionString;
if (!uri) {
const error = new Error("A connection string is required to continue.");
@@ -106,7 +133,54 @@ export default {
result = await nostrClient.connectRemoteSigner({
connectionString: uri,
remember: normalized.remember,
onAuthUrl: normalized.onAuthUrl,
onStatus: normalized.onStatus,
});
} else {
if (normalized.onStatus) {
try {
normalized.onStatus({
phase: "handshake",
state: "preparing",
message: "Generating remote signer connect link…",
});
} catch (callbackError) {
devLogger.warn("[nip46] Handshake status callback threw:", callbackError);
}
}
const handshake = await nostrClient.prepareRemoteSignerHandshake({
metadata: normalized.metadata,
relays: normalized.relays,
secret: normalized.secret,
permissions: normalized.permissions,
});
if (normalized.onHandshakePrepared) {
try {
normalized.onHandshakePrepared(handshake);
} catch (callbackError) {
devLogger.warn("[nip46] Handshake prepared callback threw:", callbackError);
}
}
result = await nostrClient.connectRemoteSigner({
connectionString: handshake.connectionString,
remember: normalized.remember,
clientPrivateKey: handshake.clientPrivateKey,
clientPublicKey: handshake.clientPublicKey,
relays: handshake.relays,
secret: handshake.secret,
permissions: handshake.permissions,
metadata: handshake.metadata,
onAuthUrl: normalized.onAuthUrl,
onStatus: normalized.onStatus,
handshakeTimeoutMs: normalized.handshakeTimeoutMs,
});
if (result && typeof result === "object") {
result.handshake = handshake;
}
}
const pubkey = normalizePubkey(result);
+382 -24
View File
@@ -1,4 +1,5 @@
import { devLogger, userLogger } from "../utils/logger.js";
import { renderQrCode } from "../utils/qrcode.js";
const noop = () => {};
const SLOW_PROVIDER_DELAY_MS = 8_000;
@@ -261,6 +262,7 @@ export default class LoginModalController {
this.boundClickHandler = (event) => this.handleContainerClick(event);
this.activeNsecForm = null;
this.activeNip46Form = null;
this.pendingNip46Cleanup = null;
this.remoteSignerUnsubscribe = null;
this.lastRemoteSignerStatus = null;
this.nextRequestLoginOptions = null;
@@ -751,15 +753,26 @@ export default class LoginModalController {
return null;
}
const connectInput = form.querySelector("[data-nip46-connect-uri]");
const handshakePanel = form.querySelector("[data-nip46-handshake-panel]");
const qrContainer = form.querySelector("[data-nip46-qr]");
const handshakeInput = form.querySelector("[data-nip46-handshake-uri]");
const copyButton = form.querySelector("[data-nip46-copy-uri]");
const secretNode = form.querySelector("[data-nip46-secret]");
const statusNode = form.querySelector("[data-nip46-status]");
const authContainer = form.querySelector("[data-nip46-auth]");
const authMessageNode = form.querySelector("[data-nip46-auth-message]");
const authOpenButton = form.querySelector("[data-nip46-auth-open]");
const manualToggle = form.querySelector("[data-nip46-toggle-manual]");
const manualFields = form.querySelector("[data-nip46-manual-fields]");
const manualInput = form.querySelector("[data-nip46-legacy-uri]");
const rememberCheckbox = form.querySelector("[data-nip46-remember]");
const reuseButton = form.querySelector("[data-nip46-reuse]");
const cancelButton = form.querySelector("[data-nip46-cancel]");
const submitButton = form.querySelector("[data-nip46-submit]");
const errorNode = form.querySelector("[data-nip46-error]");
const storedMetadata = this.getStoredNip46Metadata();
const hasStoredSession = storedMetadata?.hasSession === true;
if (reuseButton instanceof HTMLButtonElement) {
reuseButton.classList.toggle("hidden", !hasStoredSession);
}
@@ -781,6 +794,25 @@ export default class LoginModalController {
this.modalBody.appendChild(form);
this.activeNip46Form = form;
if (handshakeInput instanceof HTMLTextAreaElement) {
handshakeInput.readOnly = true;
handshakeInput.value = "";
handshakeInput.placeholder = "Waiting for connect link…";
}
if (copyButton instanceof HTMLButtonElement) {
copyButton.disabled = true;
}
const statusClassMap = {
info: ["border-info/40", "bg-info/10", "text-info"],
success: ["border-success/40", "bg-success/10", "text-success"],
warning: ["border-warning/50", "bg-warning/10", "text-warning"],
danger: ["border-danger/60", "bg-danger/10", "text-danger"],
};
const statusClassValues = new Set(
Object.values(statusClassMap).flat(),
);
const setError = (message) => {
if (!(errorNode instanceof HTMLElement)) {
return;
@@ -795,14 +827,190 @@ export default class LoginModalController {
}
};
setError("");
if (connectInput instanceof HTMLTextAreaElement) {
connectInput.focus();
}
const setStatus = (message, variant = "info") => {
if (!(statusNode instanceof HTMLElement)) {
return;
}
const normalized = typeof message === "string" ? message.trim() : "";
if (!normalized) {
statusNode.textContent = "";
statusNode.classList.add("hidden");
for (const cls of statusClassValues) {
statusNode.classList.remove(cls);
}
return;
}
statusNode.textContent = normalized;
statusNode.classList.remove("hidden");
for (const cls of statusClassValues) {
statusNode.classList.remove(cls);
}
const classes = statusClassMap[variant] || statusClassMap.info;
statusNode.classList.add(...classes);
};
const resetStatus = () => setStatus("", "info");
let qrInstance = null;
let manualMode = false;
let pendingAuthUrl = "";
const setAuthChallenge = (url) => {
pendingAuthUrl = typeof url === "string" ? url.trim() : "";
if (!(authContainer instanceof HTMLElement)) {
return;
}
if (!pendingAuthUrl) {
authContainer.classList.add("hidden");
if (authMessageNode instanceof HTMLElement) {
authMessageNode.textContent = "";
}
return;
}
authContainer.classList.remove("hidden");
if (authMessageNode instanceof HTMLElement) {
authMessageNode.textContent =
"The signer requested additional authentication.";
}
};
const clearAuthChallenge = () => {
setAuthChallenge("");
};
const setPendingState = (pending) => {
const disabled = pending === true;
if (submitButton instanceof HTMLButtonElement) {
submitButton.disabled = disabled;
}
if (rememberCheckbox instanceof HTMLInputElement) {
rememberCheckbox.disabled = disabled;
}
if (manualToggle instanceof HTMLButtonElement) {
manualToggle.disabled = disabled;
}
if (manualInput instanceof HTMLTextAreaElement) {
manualInput.disabled = disabled;
}
if (reuseButton instanceof HTMLButtonElement) {
reuseButton.disabled = disabled;
}
if (cancelButton instanceof HTMLButtonElement) {
cancelButton.disabled = disabled;
}
if (copyButton instanceof HTMLButtonElement) {
const hasUri =
handshakeInput instanceof HTMLTextAreaElement &&
!!handshakeInput.value;
copyButton.disabled = disabled || !hasUri;
}
};
const updateHandshakeDisplay = (detail) => {
const uri =
detail && typeof detail === "object"
? detail.uri || detail.connectionString || ""
: "";
if (handshakeInput instanceof HTMLTextAreaElement) {
handshakeInput.value = uri;
}
if (copyButton instanceof HTMLButtonElement) {
copyButton.disabled = !uri;
}
if (secretNode instanceof HTMLElement) {
const secretValue =
detail && typeof detail.secret === "string" ? detail.secret.trim() : "";
if (secretValue) {
secretNode.textContent = `Secret: ${secretValue}`;
secretNode.classList.remove("hidden");
} else {
secretNode.textContent = "";
secretNode.classList.add("hidden");
}
}
if (qrContainer instanceof HTMLElement) {
qrContainer.innerHTML = "";
if (uri) {
qrInstance = renderQrCode(qrContainer, uri, { width: 224, height: 224 });
} else {
qrInstance = null;
}
}
resetStatus();
clearAuthChallenge();
setError("");
};
const handleStatus = (status) => {
if (!status || typeof status !== "object") {
resetStatus();
return;
}
const message =
typeof status.message === "string" ? status.message.trim() : "";
if (!message) {
resetStatus();
return;
}
let variant =
typeof status.variant === "string" && status.variant.trim()
? status.variant.trim().toLowerCase()
: "";
if (!variant) {
if (status.phase === "auth") {
variant = "warning";
} else if (
status.phase === "connected" ||
status.state === "ready" ||
status.state === "acknowledged"
) {
variant = "success";
} else {
variant = "info";
}
}
setStatus(message, variant);
};
const handleAuthUrl = (url) => {
const normalized = typeof url === "string" ? url.trim() : "";
if (!normalized) {
clearAuthChallenge();
return;
}
setAuthChallenge(normalized);
};
const applyManualMode = (enabled) => {
manualMode = enabled === true;
if (manualFields instanceof HTMLElement) {
manualFields.classList.toggle("hidden", !manualMode);
}
if (handshakePanel instanceof HTMLElement) {
handshakePanel.classList.toggle("hidden", manualMode);
}
if (manualToggle instanceof HTMLButtonElement) {
manualToggle.textContent = manualMode
? "Back to QR pairing"
: "Paste a signer-provided bunker link instead";
}
if (manualMode && manualInput instanceof HTMLTextAreaElement) {
manualInput.focus();
}
if (!manualMode && manualInput instanceof HTMLTextAreaElement) {
manualInput.value = "";
}
resetStatus();
clearAuthChallenge();
setError("");
};
let submitHandler = null;
let cancelHandler = null;
let reuseHandler = null;
let copyHandler = null;
let manualToggleHandler = null;
let authOpenHandler = null;
const cleanup = () => {
if (submitHandler) {
@@ -814,6 +1022,15 @@ export default class LoginModalController {
if (reuseHandler && reuseButton instanceof HTMLButtonElement) {
reuseButton.removeEventListener("click", reuseHandler);
}
if (copyHandler && copyButton instanceof HTMLButtonElement) {
copyButton.removeEventListener("click", copyHandler);
}
if (manualToggleHandler && manualToggle instanceof HTMLButtonElement) {
manualToggle.removeEventListener("click", manualToggleHandler);
}
if (authOpenHandler && authOpenButton instanceof HTMLButtonElement) {
authOpenButton.removeEventListener("click", authOpenHandler);
}
if (form.parentElement) {
form.parentElement.removeChild(form);
@@ -827,38 +1044,97 @@ export default class LoginModalController {
}
}
this.activeNip46Form = null;
this.pendingNip46Cleanup = null;
qrInstance = null;
clearAuthChallenge();
resetStatus();
setError("");
};
resetStatus();
clearAuthChallenge();
applyManualMode(false);
setError("");
return new Promise((resolve) => {
let settled = false;
const finish = (detail) => {
const finish = (detail, { keepMounted = false } = {}) => {
if (settled) {
return;
}
settled = true;
cleanup();
if (keepMounted) {
this.pendingNip46Cleanup = () => {
cleanup();
};
} else {
cleanup();
}
resolve(detail);
};
submitHandler = (event) => {
event.preventDefault();
setError("");
if (!(connectInput instanceof HTMLTextAreaElement)) {
setError("Enter the remote signer connection link to continue.");
return;
}
const raw = connectInput.value.trim();
if (!raw) {
setError("Paste the nostrconnect:// or bunker:// link from your signer.");
connectInput.focus();
return;
}
resetStatus();
clearAuthChallenge();
const remember =
rememberCheckbox instanceof HTMLInputElement ? rememberCheckbox.checked : true;
finish({ connectionString: raw, remember: remember !== false });
rememberCheckbox instanceof HTMLInputElement
? rememberCheckbox.checked
: true;
if (manualMode) {
if (!(manualInput instanceof HTMLTextAreaElement)) {
setError("Manual input is unavailable.");
return;
}
const raw = manualInput.value.trim();
if (!raw) {
setError("Paste the bunker:// link from your signer.");
manualInput.focus();
return;
}
setPendingState(true);
finish(
{
mode: "manual",
connectionString: raw,
remember: remember !== false,
onStatus: handleStatus,
onAuthUrl: handleAuthUrl,
},
{ keepMounted: false },
);
return;
}
const metadata = {};
if (this.document && typeof this.document.title === "string") {
const title = this.document.title.trim();
if (title) {
metadata.name = title;
}
}
if (this.window?.location?.origin) {
metadata.url = this.window.location.origin;
}
setPendingState(true);
finish(
{
mode: "handshake",
remember: remember !== false,
metadata,
onHandshakePrepared: updateHandshakeDisplay,
onStatus: handleStatus,
onAuthUrl: handleAuthUrl,
},
{ keepMounted: true },
);
};
form.addEventListener("submit", submitHandler);
@@ -866,7 +1142,7 @@ export default class LoginModalController {
if (cancelButton instanceof HTMLButtonElement) {
cancelHandler = (event) => {
event.preventDefault();
finish(null);
finish(null, { keepMounted: false });
};
cancelButton.addEventListener("click", cancelHandler);
}
@@ -874,10 +1150,82 @@ export default class LoginModalController {
if (reuseButton instanceof HTMLButtonElement) {
reuseHandler = (event) => {
event.preventDefault();
finish({ reuseStored: true });
finish({ reuseStored: true }, { keepMounted: false });
};
reuseButton.addEventListener("click", reuseHandler);
}
if (copyButton instanceof HTMLButtonElement) {
copyHandler = async (event) => {
event.preventDefault();
if (!(handshakeInput instanceof HTMLTextAreaElement)) {
return;
}
const value = handshakeInput.value.trim();
if (!value) {
return;
}
let copied = false;
if (
typeof navigator !== "undefined" &&
navigator?.clipboard?.writeText
) {
try {
await navigator.clipboard.writeText(value);
copied = true;
} catch (error) {
copied = false;
}
}
if (!copied && handshakeInput.select) {
try {
handshakeInput.select();
if (this.document?.execCommand) {
copied = this.document.execCommand("copy");
}
} catch (error) {
copied = false;
} finally {
handshakeInput.setSelectionRange(
handshakeInput.value.length,
handshakeInput.value.length,
);
}
}
if (copied) {
setStatus("Connect URI copied to clipboard.", "success");
} else {
setStatus(
"Copy failed. Copy the link manually if needed.",
"warning",
);
}
};
copyButton.addEventListener("click", copyHandler);
}
if (manualToggle instanceof HTMLButtonElement) {
manualToggleHandler = (event) => {
event.preventDefault();
applyManualMode(!manualMode);
};
manualToggle.addEventListener("click", manualToggleHandler);
}
if (authOpenButton instanceof HTMLButtonElement) {
authOpenHandler = (event) => {
event.preventDefault();
if (!pendingAuthUrl) {
return;
}
if (this.window && typeof this.window.open === "function") {
this.window.open(pendingAuthUrl, "_blank", "noopener,noreferrer");
} else if (this.document && this.document.location) {
this.document.location.href = pendingAuthUrl;
}
};
authOpenButton.addEventListener("click", authOpenHandler);
}
});
}
@@ -1383,6 +1731,16 @@ export default class LoginModalController {
});
} finally {
this.setLoadingState(providerId, false);
if (this.pendingNip46Cleanup) {
try {
this.pendingNip46Cleanup();
} catch (cleanupError) {
devLogger.warn(
"[LoginModalController] Failed to dispose remote signer form:",
cleanupError,
);
}
}
}
}
+634
View File
@@ -0,0 +1,634 @@
/**
* @fileoverview
* - Using the 'QRCode for Javascript library'
* - Fixed dataset of 'QRCode for Javascript library' for support full-spec.
* - this library has no dependencies.
*
* @author davidshimjs
* @see <a href="http://www.d-project.com/" target="_blank">http://www.d-project.com/</a>
* @see <a href="http://jeromeetienne.github.com/jquery-qrcode/" target="_blank">http://jeromeetienne.github.com/jquery-qrcode/</a>
*/
var QRCode;
(function () {
//---------------------------------------------------------------------
// QRCode for JavaScript
//
// Copyright (c) 2009 Kazuhiko Arase
//
// URL: http://www.d-project.com/
//
// Licensed under the MIT license:
// http://www.opensource.org/licenses/mit-license.php
//
// The word "QR Code" is registered trademark of
// DENSO WAVE INCORPORATED
// http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------
function QR8bitByte(data) {
this.mode = QRMode.MODE_8BIT_BYTE;
this.data = data;
this.parsedData = [];
// Added to support UTF-8 Characters
for (var i = 0, l = this.data.length; i < l; i++) {
var byteArray = [];
var code = this.data.charCodeAt(i);
if (code > 0x10000) {
byteArray[0] = 0xF0 | ((code & 0x1C0000) >>> 18);
byteArray[1] = 0x80 | ((code & 0x3F000) >>> 12);
byteArray[2] = 0x80 | ((code & 0xFC0) >>> 6);
byteArray[3] = 0x80 | (code & 0x3F);
} else if (code > 0x800) {
byteArray[0] = 0xE0 | ((code & 0xF000) >>> 12);
byteArray[1] = 0x80 | ((code & 0xFC0) >>> 6);
byteArray[2] = 0x80 | (code & 0x3F);
} else if (code > 0x80) {
byteArray[0] = 0xC0 | ((code & 0x7C0) >>> 6);
byteArray[1] = 0x80 | (code & 0x3F);
} else {
byteArray[0] = code;
}
this.parsedData.push(byteArray);
}
this.parsedData = Array.prototype.concat.apply([], this.parsedData);
if (this.parsedData.length != this.data.length) {
this.parsedData.unshift(191);
this.parsedData.unshift(187);
this.parsedData.unshift(239);
}
}
QR8bitByte.prototype = {
getLength: function (buffer) {
return this.parsedData.length;
},
write: function (buffer) {
for (var i = 0, l = this.parsedData.length; i < l; i++) {
buffer.put(this.parsedData[i], 8);
}
}
};
function QRCodeModel(typeNumber, errorCorrectLevel) {
this.typeNumber = typeNumber;
this.errorCorrectLevel = errorCorrectLevel;
this.modules = null;
this.moduleCount = 0;
this.dataCache = null;
this.dataList = [];
}
QRCodeModel.prototype={addData:function(data){var newData=new QR8bitByte(data);this.dataList.push(newData);this.dataCache=null;},isDark:function(row,col){if(row<0||this.moduleCount<=row||col<0||this.moduleCount<=col){throw new Error(row+","+col);}
return this.modules[row][col];},getModuleCount:function(){return this.moduleCount;},make:function(){this.makeImpl(false,this.getBestMaskPattern());},makeImpl:function(test,maskPattern){this.moduleCount=this.typeNumber*4+17;this.modules=new Array(this.moduleCount);for(var row=0;row<this.moduleCount;row++){this.modules[row]=new Array(this.moduleCount);for(var col=0;col<this.moduleCount;col++){this.modules[row][col]=null;}}
this.setupPositionProbePattern(0,0);this.setupPositionProbePattern(this.moduleCount-7,0);this.setupPositionProbePattern(0,this.moduleCount-7);this.setupPositionAdjustPattern();this.setupTimingPattern();this.setupTypeInfo(test,maskPattern);if(this.typeNumber>=7){this.setupTypeNumber(test);}
if(this.dataCache==null){this.dataCache=QRCodeModel.createData(this.typeNumber,this.errorCorrectLevel,this.dataList);}
this.mapData(this.dataCache,maskPattern);},setupPositionProbePattern:function(row,col){for(var r=-1;r<=7;r++){if(row+r<=-1||this.moduleCount<=row+r)continue;for(var c=-1;c<=7;c++){if(col+c<=-1||this.moduleCount<=col+c)continue;if((0<=r&&r<=6&&(c==0||c==6))||(0<=c&&c<=6&&(r==0||r==6))||(2<=r&&r<=4&&2<=c&&c<=4)){this.modules[row+r][col+c]=true;}else{this.modules[row+r][col+c]=false;}}}},getBestMaskPattern:function(){var minLostPoint=0;var pattern=0;for(var i=0;i<8;i++){this.makeImpl(true,i);var lostPoint=QRUtil.getLostPoint(this);if(i==0||minLostPoint>lostPoint){minLostPoint=lostPoint;pattern=i;}}
return pattern;},createMovieClip:function(target_mc,instance_name,depth){var qr_mc=target_mc.createEmptyMovieClip(instance_name,depth);var cs=1;this.make();for(var row=0;row<this.modules.length;row++){var y=row*cs;for(var col=0;col<this.modules[row].length;col++){var x=col*cs;var dark=this.modules[row][col];if(dark){qr_mc.beginFill(0,100);qr_mc.moveTo(x,y);qr_mc.lineTo(x+cs,y);qr_mc.lineTo(x+cs,y+cs);qr_mc.lineTo(x,y+cs);qr_mc.endFill();}}}
return qr_mc;},setupTimingPattern:function(){for(var r=8;r<this.moduleCount-8;r++){if(this.modules[r][6]!=null){continue;}
this.modules[r][6]=(r%2==0);}
for(var c=8;c<this.moduleCount-8;c++){if(this.modules[6][c]!=null){continue;}
this.modules[6][c]=(c%2==0);}},setupPositionAdjustPattern:function(){var pos=QRUtil.getPatternPosition(this.typeNumber);for(var i=0;i<pos.length;i++){for(var j=0;j<pos.length;j++){var row=pos[i];var col=pos[j];if(this.modules[row][col]!=null){continue;}
for(var r=-2;r<=2;r++){for(var c=-2;c<=2;c++){if(r==-2||r==2||c==-2||c==2||(r==0&&c==0)){this.modules[row+r][col+c]=true;}else{this.modules[row+r][col+c]=false;}}}}}},setupTypeNumber:function(test){var bits=QRUtil.getBCHTypeNumber(this.typeNumber);for(var i=0;i<18;i++){var mod=(!test&&((bits>>i)&1)==1);this.modules[Math.floor(i/3)][i%3+this.moduleCount-8-3]=mod;}
for(var i=0;i<18;i++){var mod=(!test&&((bits>>i)&1)==1);this.modules[i%3+this.moduleCount-8-3][Math.floor(i/3)]=mod;}},setupTypeInfo:function(test,maskPattern){var data=(this.errorCorrectLevel<<3)|maskPattern;var bits=QRUtil.getBCHTypeInfo(data);for(var i=0;i<15;i++){var mod=(!test&&((bits>>i)&1)==1);if(i<6){this.modules[i][8]=mod;}else if(i<8){this.modules[i+1][8]=mod;}else{this.modules[this.moduleCount-15+i][8]=mod;}}
for(var i=0;i<15;i++){var mod=(!test&&((bits>>i)&1)==1);if(i<8){this.modules[8][this.moduleCount-i-1]=mod;}else if(i<9){this.modules[8][15-i-1+1]=mod;}else{this.modules[8][15-i-1]=mod;}}
this.modules[this.moduleCount-8][8]=(!test);},mapData:function(data,maskPattern){var inc=-1;var row=this.moduleCount-1;var bitIndex=7;var byteIndex=0;for(var col=this.moduleCount-1;col>0;col-=2){if(col==6)col--;while(true){for(var c=0;c<2;c++){if(this.modules[row][col-c]==null){var dark=false;if(byteIndex<data.length){dark=(((data[byteIndex]>>>bitIndex)&1)==1);}
var mask=QRUtil.getMask(maskPattern,row,col-c);if(mask){dark=!dark;}
this.modules[row][col-c]=dark;bitIndex--;if(bitIndex==-1){byteIndex++;bitIndex=7;}}}
row+=inc;if(row<0||this.moduleCount<=row){row-=inc;inc=-inc;break;}}}}};QRCodeModel.PAD0=0xEC;QRCodeModel.PAD1=0x11;QRCodeModel.createData=function(typeNumber,errorCorrectLevel,dataList){var rsBlocks=QRRSBlock.getRSBlocks(typeNumber,errorCorrectLevel);var buffer=new QRBitBuffer();for(var i=0;i<dataList.length;i++){var data=dataList[i];buffer.put(data.mode,4);buffer.put(data.getLength(),QRUtil.getLengthInBits(data.mode,typeNumber));data.write(buffer);}
var totalDataCount=0;for(var i=0;i<rsBlocks.length;i++){totalDataCount+=rsBlocks[i].dataCount;}
if(buffer.getLengthInBits()>totalDataCount*8){throw new Error("code length overflow. ("
+buffer.getLengthInBits()
+">"
+totalDataCount*8
+")");}
if(buffer.getLengthInBits()+4<=totalDataCount*8){buffer.put(0,4);}
while(buffer.getLengthInBits()%8!=0){buffer.putBit(false);}
while(true){if(buffer.getLengthInBits()>=totalDataCount*8){break;}
buffer.put(QRCodeModel.PAD0,8);if(buffer.getLengthInBits()>=totalDataCount*8){break;}
buffer.put(QRCodeModel.PAD1,8);}
return QRCodeModel.createBytes(buffer,rsBlocks);};QRCodeModel.createBytes=function(buffer,rsBlocks){var offset=0;var maxDcCount=0;var maxEcCount=0;var dcdata=new Array(rsBlocks.length);var ecdata=new Array(rsBlocks.length);for(var r=0;r<rsBlocks.length;r++){var dcCount=rsBlocks[r].dataCount;var ecCount=rsBlocks[r].totalCount-dcCount;maxDcCount=Math.max(maxDcCount,dcCount);maxEcCount=Math.max(maxEcCount,ecCount);dcdata[r]=new Array(dcCount);for(var i=0;i<dcdata[r].length;i++){dcdata[r][i]=0xff&buffer.buffer[i+offset];}
offset+=dcCount;var rsPoly=QRUtil.getErrorCorrectPolynomial(ecCount);var rawPoly=new QRPolynomial(dcdata[r],rsPoly.getLength()-1);var modPoly=rawPoly.mod(rsPoly);ecdata[r]=new Array(rsPoly.getLength()-1);for(var i=0;i<ecdata[r].length;i++){var modIndex=i+modPoly.getLength()-ecdata[r].length;ecdata[r][i]=(modIndex>=0)?modPoly.get(modIndex):0;}}
var totalCodeCount=0;for(var i=0;i<rsBlocks.length;i++){totalCodeCount+=rsBlocks[i].totalCount;}
var data=new Array(totalCodeCount);var index=0;for(var i=0;i<maxDcCount;i++){for(var r=0;r<rsBlocks.length;r++){if(i<dcdata[r].length){data[index++]=dcdata[r][i];}}}
for(var i=0;i<maxEcCount;i++){for(var r=0;r<rsBlocks.length;r++){if(i<ecdata[r].length){data[index++]=ecdata[r][i];}}}
return data;};var QRMode={MODE_NUMBER:1<<0,MODE_ALPHA_NUM:1<<1,MODE_8BIT_BYTE:1<<2,MODE_KANJI:1<<3};var QRErrorCorrectLevel={L:1,M:0,Q:3,H:2};var QRMaskPattern={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7};var QRUtil={PATTERN_POSITION_TABLE:[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],G15:(1<<10)|(1<<8)|(1<<5)|(1<<4)|(1<<2)|(1<<1)|(1<<0),G18:(1<<12)|(1<<11)|(1<<10)|(1<<9)|(1<<8)|(1<<5)|(1<<2)|(1<<0),G15_MASK:(1<<14)|(1<<12)|(1<<10)|(1<<4)|(1<<1),getBCHTypeInfo:function(data){var d=data<<10;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)>=0){d^=(QRUtil.G15<<(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G15)));}
return((data<<10)|d)^QRUtil.G15_MASK;},getBCHTypeNumber:function(data){var d=data<<12;while(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)>=0){d^=(QRUtil.G18<<(QRUtil.getBCHDigit(d)-QRUtil.getBCHDigit(QRUtil.G18)));}
return(data<<12)|d;},getBCHDigit:function(data){var digit=0;while(data!=0){digit++;data>>>=1;}
return digit;},getPatternPosition:function(typeNumber){return QRUtil.PATTERN_POSITION_TABLE[typeNumber-1];},getMask:function(maskPattern,i,j){switch(maskPattern){case QRMaskPattern.PATTERN000:return(i+j)%2==0;case QRMaskPattern.PATTERN001:return i%2==0;case QRMaskPattern.PATTERN010:return j%3==0;case QRMaskPattern.PATTERN011:return(i+j)%3==0;case QRMaskPattern.PATTERN100:return(Math.floor(i/2)+Math.floor(j/3))%2==0;case QRMaskPattern.PATTERN101:return(i*j)%2+(i*j)%3==0;case QRMaskPattern.PATTERN110:return((i*j)%2+(i*j)%3)%2==0;case QRMaskPattern.PATTERN111:return((i*j)%3+(i+j)%2)%2==0;default:throw new Error("bad maskPattern:"+maskPattern);}},getErrorCorrectPolynomial:function(errorCorrectLength){var a=new QRPolynomial([1],0);for(var i=0;i<errorCorrectLength;i++){a=a.multiply(new QRPolynomial([1,QRMath.gexp(i)],0));}
return a;},getLengthInBits:function(mode,type){if(1<=type&&type<10){switch(mode){case QRMode.MODE_NUMBER:return 10;case QRMode.MODE_ALPHA_NUM:return 9;case QRMode.MODE_8BIT_BYTE:return 8;case QRMode.MODE_KANJI:return 8;default:throw new Error("mode:"+mode);}}else if(type<27){switch(mode){case QRMode.MODE_NUMBER:return 12;case QRMode.MODE_ALPHA_NUM:return 11;case QRMode.MODE_8BIT_BYTE:return 16;case QRMode.MODE_KANJI:return 10;default:throw new Error("mode:"+mode);}}else if(type<41){switch(mode){case QRMode.MODE_NUMBER:return 14;case QRMode.MODE_ALPHA_NUM:return 13;case QRMode.MODE_8BIT_BYTE:return 16;case QRMode.MODE_KANJI:return 12;default:throw new Error("mode:"+mode);}}else{throw new Error("type:"+type);}},getLostPoint:function(qrCode){var moduleCount=qrCode.getModuleCount();var lostPoint=0;for(var row=0;row<moduleCount;row++){for(var col=0;col<moduleCount;col++){var sameCount=0;var dark=qrCode.isDark(row,col);for(var r=-1;r<=1;r++){if(row+r<0||moduleCount<=row+r){continue;}
for(var c=-1;c<=1;c++){if(col+c<0||moduleCount<=col+c){continue;}
if(r==0&&c==0){continue;}
if(dark==qrCode.isDark(row+r,col+c)){sameCount++;}}}
if(sameCount>5){lostPoint+=(3+sameCount-5);}}}
for(var row=0;row<moduleCount-1;row++){for(var col=0;col<moduleCount-1;col++){var count=0;if(qrCode.isDark(row,col))count++;if(qrCode.isDark(row+1,col))count++;if(qrCode.isDark(row,col+1))count++;if(qrCode.isDark(row+1,col+1))count++;if(count==0||count==4){lostPoint+=3;}}}
for(var row=0;row<moduleCount;row++){for(var col=0;col<moduleCount-6;col++){if(qrCode.isDark(row,col)&&!qrCode.isDark(row,col+1)&&qrCode.isDark(row,col+2)&&qrCode.isDark(row,col+3)&&qrCode.isDark(row,col+4)&&!qrCode.isDark(row,col+5)&&qrCode.isDark(row,col+6)){lostPoint+=40;}}}
for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount-6;row++){if(qrCode.isDark(row,col)&&!qrCode.isDark(row+1,col)&&qrCode.isDark(row+2,col)&&qrCode.isDark(row+3,col)&&qrCode.isDark(row+4,col)&&!qrCode.isDark(row+5,col)&&qrCode.isDark(row+6,col)){lostPoint+=40;}}}
var darkCount=0;for(var col=0;col<moduleCount;col++){for(var row=0;row<moduleCount;row++){if(qrCode.isDark(row,col)){darkCount++;}}}
var ratio=Math.abs(100*darkCount/moduleCount/moduleCount-50)/5;lostPoint+=ratio*10;return lostPoint;}};var QRMath={glog:function(n){if(n<1){throw new Error("glog("+n+")");}
return QRMath.LOG_TABLE[n];},gexp:function(n){while(n<0){n+=255;}
while(n>=256){n-=255;}
return QRMath.EXP_TABLE[n];},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)};for(var i=0;i<8;i++){QRMath.EXP_TABLE[i]=1<<i;}
for(var i=8;i<256;i++){QRMath.EXP_TABLE[i]=QRMath.EXP_TABLE[i-4]^QRMath.EXP_TABLE[i-5]^QRMath.EXP_TABLE[i-6]^QRMath.EXP_TABLE[i-8];}
for(var i=0;i<255;i++){QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]]=i;}
function QRPolynomial(num,shift){if(num.length==undefined){throw new Error(num.length+"/"+shift);}
var offset=0;while(offset<num.length&&num[offset]==0){offset++;}
this.num=new Array(num.length-offset+shift);for(var i=0;i<num.length-offset;i++){this.num[i]=num[i+offset];}}
QRPolynomial.prototype={get:function(index){return this.num[index];},getLength:function(){return this.num.length;},multiply:function(e){var num=new Array(this.getLength()+e.getLength()-1);for(var i=0;i<this.getLength();i++){for(var j=0;j<e.getLength();j++){num[i+j]^=QRMath.gexp(QRMath.glog(this.get(i))+QRMath.glog(e.get(j)));}}
return new QRPolynomial(num,0);},mod:function(e){if(this.getLength()-e.getLength()<0){return this;}
var ratio=QRMath.glog(this.get(0))-QRMath.glog(e.get(0));var num=new Array(this.getLength());for(var i=0;i<this.getLength();i++){num[i]=this.get(i);}
for(var i=0;i<e.getLength();i++){num[i]^=QRMath.gexp(QRMath.glog(e.get(i))+ratio);}
return new QRPolynomial(num,0).mod(e);}};function QRRSBlock(totalCount,dataCount){this.totalCount=totalCount;this.dataCount=dataCount;}
QRRSBlock.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]];QRRSBlock.getRSBlocks=function(typeNumber,errorCorrectLevel){var rsBlock=QRRSBlock.getRsBlockTable(typeNumber,errorCorrectLevel);if(rsBlock==undefined){throw new Error("bad rs block @ typeNumber:"+typeNumber+"/errorCorrectLevel:"+errorCorrectLevel);}
var length=rsBlock.length/3;var list=[];for(var i=0;i<length;i++){var count=rsBlock[i*3+0];var totalCount=rsBlock[i*3+1];var dataCount=rsBlock[i*3+2];for(var j=0;j<count;j++){list.push(new QRRSBlock(totalCount,dataCount));}}
return list;};QRRSBlock.getRsBlockTable=function(typeNumber,errorCorrectLevel){switch(errorCorrectLevel){case QRErrorCorrectLevel.L:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+0];case QRErrorCorrectLevel.M:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+1];case QRErrorCorrectLevel.Q:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+2];case QRErrorCorrectLevel.H:return QRRSBlock.RS_BLOCK_TABLE[(typeNumber-1)*4+3];default:return undefined;}};function QRBitBuffer(){this.buffer=[];this.length=0;}
QRBitBuffer.prototype={get:function(index){var bufIndex=Math.floor(index/8);return((this.buffer[bufIndex]>>>(7-index%8))&1)==1;},put:function(num,length){for(var i=0;i<length;i++){this.putBit(((num>>>(length-i-1))&1)==1);}},getLengthInBits:function(){return this.length;},putBit:function(bit){var bufIndex=Math.floor(this.length/8);if(this.buffer.length<=bufIndex){this.buffer.push(0);}
if(bit){this.buffer[bufIndex]|=(0x80>>>(this.length%8));}
this.length++;}};var QRCodeLimitLength=[[17,14,11,7],[32,26,20,14],[53,42,32,24],[78,62,46,34],[106,84,60,44],[134,106,74,58],[154,122,86,64],[192,152,108,84],[230,180,130,98],[271,213,151,119],[321,251,177,137],[367,287,203,155],[425,331,241,177],[458,362,258,194],[520,412,292,220],[586,450,322,250],[644,504,364,280],[718,560,394,310],[792,624,442,338],[858,666,482,382],[929,711,509,403],[1003,779,565,439],[1091,857,611,461],[1171,911,661,511],[1273,997,715,535],[1367,1059,751,593],[1465,1125,805,625],[1528,1190,868,658],[1628,1264,908,698],[1732,1370,982,742],[1840,1452,1030,790],[1952,1538,1112,842],[2068,1628,1168,898],[2188,1722,1228,958],[2303,1809,1283,983],[2431,1911,1351,1051],[2563,1989,1423,1093],[2699,2099,1499,1139],[2809,2213,1579,1219],[2953,2331,1663,1273]];
function _isSupportCanvas() {
return typeof CanvasRenderingContext2D != "undefined";
}
// android 2.x doesn't support Data-URI spec
function _getAndroid() {
var android = false;
var sAgent = navigator.userAgent;
if (/android/i.test(sAgent)) { // android
android = true;
var aMat = sAgent.toString().match(/android ([0-9]\.[0-9])/i);
if (aMat && aMat[1]) {
android = parseFloat(aMat[1]);
}
}
return android;
}
var svgDrawer = (function() {
var Drawing = function (el, htOption) {
this._el = el;
this._htOption = htOption;
};
Drawing.prototype.draw = function (oQRCode) {
var _htOption = this._htOption;
var _el = this._el;
var nCount = oQRCode.getModuleCount();
var nWidth = Math.floor(_htOption.width / nCount);
var nHeight = Math.floor(_htOption.height / nCount);
this.clear();
function makeSVG(tag, attrs) {
var el = document.createElementNS('http://www.w3.org/2000/svg', tag);
for (var k in attrs)
if (attrs.hasOwnProperty(k)) el.setAttribute(k, attrs[k]);
return el;
}
var svg = makeSVG("svg" , {'viewBox': '0 0 ' + String(nCount) + " " + String(nCount), 'width': '100%', 'height': '100%', 'fill': _htOption.colorLight});
svg.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:xlink", "http://www.w3.org/1999/xlink");
_el.appendChild(svg);
svg.appendChild(makeSVG("rect", {"fill": _htOption.colorLight, "width": "100%", "height": "100%"}));
svg.appendChild(makeSVG("rect", {"fill": _htOption.colorDark, "width": "1", "height": "1", "id": "template"}));
for (var row = 0; row < nCount; row++) {
for (var col = 0; col < nCount; col++) {
if (oQRCode.isDark(row, col)) {
var child = makeSVG("use", {"x": String(col), "y": String(row)});
child.setAttributeNS("http://www.w3.org/1999/xlink", "href", "#template")
svg.appendChild(child);
}
}
}
};
Drawing.prototype.clear = function () {
while (this._el.hasChildNodes())
this._el.removeChild(this._el.lastChild);
};
return Drawing;
})();
var useSVG = document.documentElement.tagName.toLowerCase() === "svg";
// Drawing in DOM by using Table tag
var Drawing = useSVG ? svgDrawer : !_isSupportCanvas() ? (function () {
var Drawing = function (el, htOption) {
this._el = el;
this._htOption = htOption;
};
/**
* Draw the QRCode
*
* @param {QRCode} oQRCode
*/
Drawing.prototype.draw = function (oQRCode) {
var _htOption = this._htOption;
var _el = this._el;
var nCount = oQRCode.getModuleCount();
var nWidth = Math.floor(_htOption.width / nCount);
var nHeight = Math.floor(_htOption.height / nCount);
var aHTML = ['<table style="border:0;border-collapse:collapse;">'];
for (var row = 0; row < nCount; row++) {
aHTML.push('<tr>');
for (var col = 0; col < nCount; col++) {
aHTML.push('<td style="border:0;border-collapse:collapse;padding:0;margin:0;width:' + nWidth + 'px;height:' + nHeight + 'px;background-color:' + (oQRCode.isDark(row, col) ? _htOption.colorDark : _htOption.colorLight) + ';"></td>');
}
aHTML.push('</tr>');
}
aHTML.push('</table>');
_el.innerHTML = aHTML.join('');
// Fix the margin values as real size.
var elTable = _el.childNodes[0];
var nLeftMarginTable = (_htOption.width - elTable.offsetWidth) / 2;
var nTopMarginTable = (_htOption.height - elTable.offsetHeight) / 2;
if (nLeftMarginTable > 0 && nTopMarginTable > 0) {
elTable.style.margin = nTopMarginTable + "px " + nLeftMarginTable + "px";
}
};
/**
* Clear the QRCode
*/
Drawing.prototype.clear = function () {
this._el.innerHTML = '';
};
return Drawing;
})() : (function () { // Drawing in Canvas
function _onMakeImage() {
this._elImage.src = this._elCanvas.toDataURL("image/png");
this._elImage.style.display = "block";
this._elCanvas.style.display = "none";
}
// Android 2.1 bug workaround
// http://code.google.com/p/android/issues/detail?id=5141
if (this._android && this._android <= 2.1) {
var factor = 1 / window.devicePixelRatio;
var drawImage = CanvasRenderingContext2D.prototype.drawImage;
CanvasRenderingContext2D.prototype.drawImage = function (image, sx, sy, sw, sh, dx, dy, dw, dh) {
if (("nodeName" in image) && /img/i.test(image.nodeName)) {
for (var i = arguments.length - 1; i >= 1; i--) {
arguments[i] = arguments[i] * factor;
}
} else if (typeof dw == "undefined") {
arguments[1] *= factor;
arguments[2] *= factor;
arguments[3] *= factor;
arguments[4] *= factor;
}
drawImage.apply(this, arguments);
};
}
/**
* Check whether the user's browser supports Data URI or not
*
* @private
* @param {Function} fSuccess Occurs if it supports Data URI
* @param {Function} fFail Occurs if it doesn't support Data URI
*/
function _safeSetDataURI(fSuccess, fFail) {
var self = this;
self._fFail = fFail;
self._fSuccess = fSuccess;
// Check it just once
if (self._bSupportDataURI === null) {
var el = document.createElement("img");
var fOnError = function() {
self._bSupportDataURI = false;
if (self._fFail) {
self._fFail.call(self);
}
};
var fOnSuccess = function() {
self._bSupportDataURI = true;
if (self._fSuccess) {
self._fSuccess.call(self);
}
};
el.onabort = fOnError;
el.onerror = fOnError;
el.onload = fOnSuccess;
el.src = "data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="; // the Image contains 1px data.
return;
} else if (self._bSupportDataURI === true && self._fSuccess) {
self._fSuccess.call(self);
} else if (self._bSupportDataURI === false && self._fFail) {
self._fFail.call(self);
}
};
/**
* Drawing QRCode by using canvas
*
* @constructor
* @param {HTMLElement} el
* @param {Object} htOption QRCode Options
*/
var Drawing = function (el, htOption) {
this._bIsPainted = false;
this._android = _getAndroid();
this._htOption = htOption;
this._elCanvas = document.createElement("canvas");
this._elCanvas.width = htOption.width;
this._elCanvas.height = htOption.height;
el.appendChild(this._elCanvas);
this._el = el;
this._oContext = this._elCanvas.getContext("2d");
this._bIsPainted = false;
this._elImage = document.createElement("img");
this._elImage.alt = "Scan me!";
this._elImage.style.display = "none";
this._el.appendChild(this._elImage);
this._bSupportDataURI = null;
};
/**
* Draw the QRCode
*
* @param {QRCode} oQRCode
*/
Drawing.prototype.draw = function (oQRCode) {
var _elImage = this._elImage;
var _oContext = this._oContext;
var _htOption = this._htOption;
var nCount = oQRCode.getModuleCount();
var nWidth = _htOption.width / nCount;
var nHeight = _htOption.height / nCount;
var nRoundedWidth = Math.round(nWidth);
var nRoundedHeight = Math.round(nHeight);
_elImage.style.display = "none";
this.clear();
for (var row = 0; row < nCount; row++) {
for (var col = 0; col < nCount; col++) {
var bIsDark = oQRCode.isDark(row, col);
var nLeft = col * nWidth;
var nTop = row * nHeight;
_oContext.strokeStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
_oContext.lineWidth = 1;
_oContext.fillStyle = bIsDark ? _htOption.colorDark : _htOption.colorLight;
_oContext.fillRect(nLeft, nTop, nWidth, nHeight);
// 안티 앨리어싱 방지 처리
_oContext.strokeRect(
Math.floor(nLeft) + 0.5,
Math.floor(nTop) + 0.5,
nRoundedWidth,
nRoundedHeight
);
_oContext.strokeRect(
Math.ceil(nLeft) - 0.5,
Math.ceil(nTop) - 0.5,
nRoundedWidth,
nRoundedHeight
);
}
}
this._bIsPainted = true;
};
/**
* Make the image from Canvas if the browser supports Data URI.
*/
Drawing.prototype.makeImage = function () {
if (this._bIsPainted) {
_safeSetDataURI.call(this, _onMakeImage);
}
};
/**
* Return whether the QRCode is painted or not
*
* @return {Boolean}
*/
Drawing.prototype.isPainted = function () {
return this._bIsPainted;
};
/**
* Clear the QRCode
*/
Drawing.prototype.clear = function () {
this._oContext.clearRect(0, 0, this._elCanvas.width, this._elCanvas.height);
this._bIsPainted = false;
};
/**
* @private
* @param {Number} nNumber
*/
Drawing.prototype.round = function (nNumber) {
if (!nNumber) {
return nNumber;
}
return Math.floor(nNumber * 1000) / 1000;
};
return Drawing;
})();
/**
* Get the type by string length
*
* @private
* @param {String} sText
* @param {Number} nCorrectLevel
* @return {Number} type
*/
function _getTypeNumber(sText, nCorrectLevel) {
var nType = 1;
var length = _getUTF8Length(sText);
for (var i = 0, len = QRCodeLimitLength.length; i <= len; i++) {
var nLimit = 0;
switch (nCorrectLevel) {
case QRErrorCorrectLevel.L :
nLimit = QRCodeLimitLength[i][0];
break;
case QRErrorCorrectLevel.M :
nLimit = QRCodeLimitLength[i][1];
break;
case QRErrorCorrectLevel.Q :
nLimit = QRCodeLimitLength[i][2];
break;
case QRErrorCorrectLevel.H :
nLimit = QRCodeLimitLength[i][3];
break;
}
if (length <= nLimit) {
break;
} else {
nType++;
}
}
if (nType > QRCodeLimitLength.length) {
throw new Error("Too long data");
}
return nType;
}
function _getUTF8Length(sText) {
var replacedText = encodeURI(sText).toString().replace(/\%[0-9a-fA-F]{2}/g, 'a');
return replacedText.length + (replacedText.length != sText ? 3 : 0);
}
/**
* @class QRCode
* @constructor
* @example
* new QRCode(document.getElementById("test"), "http://jindo.dev.naver.com/collie");
*
* @example
* var oQRCode = new QRCode("test", {
* text : "http://naver.com",
* width : 128,
* height : 128
* });
*
* oQRCode.clear(); // Clear the QRCode.
* oQRCode.makeCode("http://map.naver.com"); // Re-create the QRCode.
*
* @param {HTMLElement|String} el target element or 'id' attribute of element.
* @param {Object|String} vOption
* @param {String} vOption.text QRCode link data
* @param {Number} [vOption.width=256]
* @param {Number} [vOption.height=256]
* @param {String} [vOption.colorDark="#000000"]
* @param {String} [vOption.colorLight="#ffffff"]
* @param {QRCode.CorrectLevel} [vOption.correctLevel=QRCode.CorrectLevel.H] [L|M|Q|H]
*/
QRCode = function (el, vOption) {
this._htOption = {
width : 256,
height : 256,
typeNumber : 4,
colorDark : "#000000",
colorLight : "#ffffff",
correctLevel : QRErrorCorrectLevel.H
};
if (typeof vOption === 'string') {
vOption = {
text : vOption
};
}
// Overwrites options
if (vOption) {
for (var i in vOption) {
this._htOption[i] = vOption[i];
}
}
if (typeof el == "string") {
el = document.getElementById(el);
}
if (this._htOption.useSVG) {
Drawing = svgDrawer;
}
this._android = _getAndroid();
this._el = el;
this._oQRCode = null;
this._oDrawing = new Drawing(this._el, this._htOption);
if (this._htOption.text) {
this.makeCode(this._htOption.text);
}
};
/**
* Make the QRCode
*
* @param {String} sText link data
*/
QRCode.prototype.makeCode = function (sText) {
this._oQRCode = new QRCodeModel(_getTypeNumber(sText, this._htOption.correctLevel), this._htOption.correctLevel);
this._oQRCode.addData(sText);
this._oQRCode.make();
this._el.title = sText;
this._oDrawing.draw(this._oQRCode);
this.makeImage();
};
/**
* Make the Image from Canvas element
* - It occurs automatically
* - Android below 3 doesn't support Data-URI spec.
*
* @private
*/
QRCode.prototype.makeImage = function () {
if (typeof this._oDrawing.makeImage == "function" && (!this._android || this._android >= 3)) {
this._oDrawing.makeImage();
}
};
/**
* Clear the QRCode
*/
QRCode.prototype.clear = function () {
this._oDrawing.clear();
};
/**
* @name QRCode.CorrectLevel
*/
QRCode.CorrectLevel = QRErrorCorrectLevel;
})();
export { QRCode };
export function createQrCode(element, options = {}) {
return new QRCode(element, options);
}
export function renderQrCode(element, text, options = {}) {
const normalizedOptions = Object.assign({}, options, { text });
const instance = new QRCode(element, normalizedOptions);
return instance;
}
export function updateQrCode(instance, text) {
if (!instance || typeof instance.makeCode !== "function") {
throw new Error("Invalid QRCode instance");
}
instance.makeCode(text);
return instance;
}