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made sure that the debug output for editing the monitor is shell-escaped

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This commit is contained in:
Frank Elsinga 2024-10-09 03:45:07 +02:00
parent eca90a2b00
commit c90aacc62c
1 changed files with 50 additions and 17 deletions
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65
src/pages/EditMonitor.vue
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@ -1077,7 +1077,6 @@ import { hostNameRegexPattern } from "../util-frontend";
import HiddenInput from "../components/HiddenInput.vue";
import EditMonitorConditions from "../components/EditMonitorConditions.vue";
import { version } from "../../package.json";
const userAgent = `'Uptime-Kuma/${version}'`;
const toast = useToast();
@ -1169,28 +1168,38 @@ export default {
},
computed: {
curlCommand() {
const command = [ "curl", "--verbose", "--head", "--request", this.monitor.method, "\\\n", "--user-agent", userAgent, "\\\n" ];
let method = this.monitor.method;
if ([ "GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS" ].indexOf(method) === -1) {
// set to a custom value => could lead to injections
method = this.escapeShell(method);
}
const command = [ "curl", "--verbose", "--head", "--request", method, "\\\n" ];
command.push("--user-agent", `'Uptime-Kuma/${version}'`, "\\\n");
if (this.monitor.ignoreTls) {
command.push("--insecure", "\\\n");
}
if (this.monitor.headers) {
try {
// trying to parse the supplied data as json to trim whitespace
for (const [ key, value ] of Object.entries(JSON.parse(this.monitor.headers))) {
command.push("--header", `'${key}: ${value}'`, "\\\n");
command.push("--header", `'${this.escapeShellNoQuotes(key)}: ${this.escapeShellNoQuotes(value)}'`, "\\\n");
}
} catch (e) {
command.push("--header", `'${this.monitor.headers}'`, "\\\n");
command.push("--header", this.escapeShell(this.monitor.headers), "\\\n");
}
}
if (this.monitor.authMethod === "basic") {
command.push("--user", `${this.monitor.basic_auth_user}:${this.monitor.basic_auth_pass}`, "--basic", "\\\n");
} else if (this.monitor.authmethod === "mtls") {
command.push("--cacert", `'${this.monitor.tlsCa}'`, "\\\n", "--key", `'${this.monitor.tlsKey}'`, "\\\n", "--cert", `'${this.monitor.tlsCert}'`, "\\\n");
command.push("--basic", "--user", `'${this.escapeShellNoQuotes(this.monitor.basic_auth_user)}:${this.escapeShellNoQuotes(this.monitor.basic_auth_pass)}'`, "\\\n");
} else if (this.monitor.authMethod === "mtls") {
command.push("--cacert", this.escapeShell(this.monitor.tlsCa), "\\\n");
command.push("--key", this.escapeShell(this.monitor.tlsKey), "\\\n");
command.push( "--cert", this.escapeShell(this.monitor.tlsCert), "\\\n");
} else if (this.monitor.authMethod === "ntlm") {
command.push("--user", `'${this.monitor.authDomain ? `${this.monitor.authDomain}/` : ""}${this.monitor.basic_auth_user}:${this.monitor.basic_auth_pass}'`, "--ntlm", "\\\n");
let domain = "";
if (this.monitor.authDomain) {
domain = `${this.monitor.authDomain}/`;
}
command.push("--ntlm", "--user", `'${this.escapeShellNoQuotes(domain)}${this.escapeShellNoQuotes(this.monitor.basic_auth_user)}:${this.escapeShellNoQuotes(this.monitor.basic_auth_pass)}'`, "\\\n");
}
if (this.monitor.body && this.monitor.httpBodyEncoding === "json") {
let json = "";
@ -1200,20 +1209,22 @@ export default {
} catch (e) {
json = this.monitor.body;
}
command.push("--header", "'Content-Type: application/json'", "\\\n", "--data", `'${json}'`, "\\\n");
command.push("--header", "'Content-Type: application/json'", "\\\n");
command.push("--data", this.escapeShell(json), "\\\n");
} else if (this.monitor.body && this.monitor.httpBodyEncoding === "xml") {
command.push("--headers", "'Content-Type: application/xml'", "\\\n", "--data", `'${this.monitor.body}'`, "\\\n");
command.push("--headers", "'Content-Type: application/xml'", "\\\n");
command.push("--data", this.escapeShell(this.monitor.body), "\\\n");
}
if (this.monitor.maxredirects) {
command.push("--location", "--max-redirs", this.monitor.maxredirects, "\\\n");
command.push("--location", "--max-redirs", this.escapeShell(this.monitor.maxredirects), "\\\n");
}
if (this.monitor.timeout) {
command.push("--max-time", this.monitor.timeout, "\\\n");
command.push("--max-time", this.escapeShell(this.monitor.timeout), "\\\n");
}
if (this.monitor.maxretries) {
command.push("--retry", this.monitor.maxretries, "\\\n");
command.push("--retry", this.escapeShell(this.monitor.maxretries), "\\\n");
}
command.push("--url", this.monitor.url);
command.push("--url", this.escapeShell(this.monitor.url));
return command.join(" ");
},
@ -1614,6 +1625,28 @@ message HealthCheckResponse {
this.kafkaSaslMechanismOptions = kafkaSaslMechanismOptions;
},
methods: {
/**
* Escape a string for use in a shell
* @param {string|number} s string to escape
* @returns {string} escaped, quoted string
*/
escapeShell(s) {
if (typeof s == 'number')
return s.toString()
return "\"" + this.escapeShellNoQuotes(s) + "\"";
},
/**
* Escape a string for use in a shell
* @param {string} s string to escape
* @returns {string} escaped string
*/
escapeShellNoQuotes(s) {
return s.replace(/(["'$`\\])/g, "\\$1");
},
/**
* Copies a value to the clipboard and shows toasts with the success/error
* @returns {void}
*/
async copyToClipboard() {
try {
await navigator.clipboard.writeText(this.curlCommand);