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/*
This file is part of GNU Taler
(C) 2022 Taler Systems S.A.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
import { GetExchangeTosResult } from "@gnu-taler/taler-util";
export function buildTermsOfServiceState(
tos: GetExchangeTosResult,
): TermsState {
const content: TermsDocument | undefined = parseTermsOfServiceContent(
tos.contentType,
tos.content,
);
const status: TermsStatus = buildTermsOfServiceStatus(
tos.content,
tos.acceptedEtag,
tos.currentEtag,
);
return { content, status, version: tos.currentEtag };
}
export function buildTermsOfServiceStatus(
content: string | undefined,
acceptedVersion: string | undefined,
currentVersion: string | undefined,
): TermsStatus {
return !content
? "notfound"
: !acceptedVersion
? "new"
: acceptedVersion !== currentVersion
? "changed"
: "accepted";
}
function parseTermsOfServiceContent(
type: string,
text: string,
): TermsDocument | undefined {
if (type === "text/xml") {
try {
const document = new DOMParser().parseFromString(text, "text/xml");
return { type: "xml", document };
} catch (e) {
console.log(e);
}
} else if (type === "text/html") {
try {
const href = new URL(text);
return { type: "html", href };
} catch (e) {
console.log(e);
}
} else if (type === "text/json") {
try {
const data = JSON.parse(text);
return { type: "json", data };
} catch (e) {
console.log(e);
}
} else if (type === "text/pdf") {
try {
const location = new URL(text);
return { type: "pdf", location };
} catch (e) {
console.log(e);
}
} else if (type === "text/plain") {
try {
const content = text;
return { type: "plain", content };
} catch (e) {
console.log(e);
}
}
return undefined;
}
export type TermsState = {
content: TermsDocument | undefined;
status: TermsStatus;
version: string;
};
type TermsStatus = "new" | "accepted" | "changed" | "notfound";
type TermsDocument =
| TermsDocumentXml
| TermsDocumentHtml
| TermsDocumentPlain
| TermsDocumentJson
| TermsDocumentPdf;
export interface TermsDocumentXml {
type: "xml";
document: Document;
}
export interface TermsDocumentHtml {
type: "html";
href: URL;
}
export interface TermsDocumentPlain {
type: "plain";
content: string;
}
export interface TermsDocumentJson {
type: "json";
data: any;
}
export interface TermsDocumentPdf {
type: "pdf";
location: URL;
}
|
