diff options
Diffstat (limited to 'src/webex/wxBackend.ts')
| -rw-r--r-- | src/webex/wxBackend.ts | 203 |
1 files changed, 128 insertions, 75 deletions
diff --git a/src/webex/wxBackend.ts b/src/webex/wxBackend.ts index 6bd87b456..17e5215f4 100644 --- a/src/webex/wxBackend.ts +++ b/src/webex/wxBackend.ts @@ -63,6 +63,11 @@ let outdatedDbVersion: number | undefined; const walletInit: OpenedPromise<void> = openPromise<void>(); +const extendedPermissions = { + permissions: ["webRequest", "webRequestBlocking", "tabs"], + origins: ["http://*/*", "https://*/*"], +}; + async function handleMessage( sender: MessageSender, type: MessageType, @@ -282,6 +287,43 @@ async function handleMessage( } case "prepare-pay": return needsWallet().preparePayForUri(detail.talerPayUri); + case "set-extended-permissions": { + const newVal = detail.value; + if (newVal) { + const res = await new Promise((resolve, reject) => { + chrome.permissions.request( + extendedPermissions, + (granted: boolean) => { + console.log("permissions granted:", granted); + if (chrome.runtime.lastError) { + console.error(chrome.runtime.lastError); + } + resolve(granted); + }, + ); + }); + if (res) { + setupHeaderListener(); + } + return { newValue: res }; + } else { + await new Promise((resolve, reject) => { + chrome.permissions.remove(extendedPermissions, (rem) => { + console.log("permissions removed:", rem); + resolve(); + }); + }); + return { newVal: false }; + } + } + case "get-extended-permissions": { + const res = await new Promise((resolve, reject) => { + chrome.permissions.contains(extendedPermissions, (result: boolean) => { + resolve(result); + }); + }); + return { newValue: res }; + } default: // Exhaustiveness check. // See https://www.typescriptlang.org/docs/handbook/advanced-types.html @@ -453,6 +495,91 @@ try { console.error(e); } +function headerListener( + details: chrome.webRequest.WebResponseHeadersDetails, +): chrome.webRequest.BlockingResponse | undefined { + if (chrome.runtime.lastError) { + console.error(chrome.runtime.lastError); + return; + } + const wallet = currentWallet; + if (!wallet) { + console.warn("wallet not available while handling header"); + return; + } + if (details.statusCode === 402 || details.statusCode === 202) { + console.log(`got 402/202 from ${details.url}`); + for (const header of details.responseHeaders || []) { + if (header.name.toLowerCase() === "taler") { + const talerUri = header.value || ""; + const uriType = classifyTalerUri(talerUri); + switch (uriType) { + case TalerUriType.TalerWithdraw: + return makeSyncWalletRedirect( + "withdraw.html", + details.tabId, + details.url, + { + talerWithdrawUri: talerUri, + }, + ); + case TalerUriType.TalerPay: + return makeSyncWalletRedirect( + "pay.html", + details.tabId, + details.url, + { + talerPayUri: talerUri, + }, + ); + case TalerUriType.TalerTip: + return makeSyncWalletRedirect( + "tip.html", + details.tabId, + details.url, + { + talerTipUri: talerUri, + }, + ); + case TalerUriType.TalerRefund: + return makeSyncWalletRedirect( + "refund.html", + details.tabId, + details.url, + { + talerRefundUri: talerUri, + }, + ); + case TalerUriType.TalerNotifyReserve: + Promise.resolve().then(() => { + const w = currentWallet; + if (!w) { + return; + } + w.handleNotifyReserve(); + }); + break; + default: + console.warn( + "Response with HTTP 402 has Taler header, but header value is not a taler:// URI.", + ); + break; + } + } + } + } + return; +} + +function setupHeaderListener(): void { + // Handlers for catching HTTP requests + chrome.webRequest.onHeadersReceived.addListener( + headerListener, + { urls: ["https://*/*", "http://*/*"] }, + ["responseHeaders", "blocking"], + ); +} + /** * Main function to run for the WebExtension backend. * @@ -474,79 +601,5 @@ export async function wxMain(): Promise<void> { return true; }); - // Handlers for catching HTTP requests - chrome.webRequest.onHeadersReceived.addListener( - (details) => { - const wallet = currentWallet; - if (!wallet) { - console.warn("wallet not available while handling header"); - return; - } - if (details.statusCode === 402 || details.statusCode === 202) { - console.log(`got 402/202 from ${details.url}`); - for (const header of details.responseHeaders || []) { - if (header.name.toLowerCase() === "taler") { - const talerUri = header.value || ""; - const uriType = classifyTalerUri(talerUri); - switch (uriType) { - case TalerUriType.TalerWithdraw: - return makeSyncWalletRedirect( - "withdraw.html", - details.tabId, - details.url, - { - talerWithdrawUri: talerUri, - }, - ); - case TalerUriType.TalerPay: - return makeSyncWalletRedirect( - "pay.html", - details.tabId, - details.url, - { - talerPayUri: talerUri, - }, - ); - case TalerUriType.TalerTip: - return makeSyncWalletRedirect( - "tip.html", - details.tabId, - details.url, - { - talerTipUri: talerUri, - }, - ); - case TalerUriType.TalerRefund: - return makeSyncWalletRedirect( - "refund.html", - details.tabId, - details.url, - { - talerRefundUri: talerUri, - }, - ); - case TalerUriType.TalerNotifyReserve: - Promise.resolve().then(() => { - const w = currentWallet; - if (!w) { - return; - } - w.handleNotifyReserve(); - }); - break; - - default: - console.warn( - "Response with HTTP 402 has Taler header, but header value is not a taler:// URI.", - ); - break; - } - } - } - } - return; - }, - { urls: ["https://*/*", "http://*/*"] }, - ["responseHeaders", "blocking"], - ); + setupHeaderListener(); } |