ihm_client/src/services/storage.service.ts
2025-09-05 07:57:50 +02:00

125 lines
4.3 KiB
TypeScript

import axios, { AxiosResponse } from 'axios';
export async function storeData(servers: string[], key: string, value: Blob, ttl: number | null): Promise<AxiosResponse | null> {
for (const server of servers) {
try {
// Handle relative paths (for development proxy) vs absolute URLs (for production)
let url: string;
if (server.startsWith('/')) {
// Relative path - construct manually for proxy
url = `${server}/store?key=${encodeURIComponent(key)}`;
if (ttl !== null) {
url += `&ttl=${ttl}`;
}
} else {
// Absolute URL - use URL constructor
const urlObj = new URL(`${server}/store`);
urlObj.searchParams.append('key', key);
if (ttl !== null) {
urlObj.searchParams.append('ttl', ttl.toString());
}
url = urlObj.toString();
}
// Send the encrypted ArrayBuffer as the raw request body.
const response = await axios.post(url, value, {
headers: {
'Content-Type': 'application/octet-stream'
},
});
console.log('Data stored successfully:', key);
if (response.status !== 200) {
console.error('Received response status', response.status);
continue;
}
return response;
} catch (error) {
if (axios.isAxiosError(error) && error.response?.status === 409) {
return null;
}
console.error('Error storing data:', error);
}
}
return null;
}
export async function retrieveData(servers: string[], key: string): Promise<ArrayBuffer | null> {
for (const server of servers) {
try {
// Handle relative paths (for development proxy) vs absolute URLs (for production)
const url = server.startsWith('/')
? `${server}/retrieve/${key}` // Relative path - use as-is for proxy
: new URL(`${server}/retrieve/${key}`).toString(); // Absolute URL - construct properly
console.log('Retrieving data', key,' from:', url);
// When fetching the data from the server:
const response = await axios.get(url, {
responseType: 'arraybuffer'
});
if (response.status === 200) {
// Validate that we received an ArrayBuffer
if (response.data instanceof ArrayBuffer) {
return response.data;
} else {
console.error('Server returned non-ArrayBuffer data:', typeof response.data);
continue;
}
} else {
console.error(`Server ${server} returned status ${response.status}`);
continue;
}
} catch (error) {
if (axios.isAxiosError(error)) {
if (error.response?.status === 404) {
console.log(`Data not found on server ${server} for key ${key}`);
continue; // Try next server
} else if (error.response?.status) {
console.error(`Server ${server} error ${error.response.status}:`, error.response.statusText);
continue;
} else {
console.error(`Network error connecting to ${server}:`, error.message);
continue;
}
} else {
console.error(`Unexpected error retrieving data from ${server}:`, error);
continue;
}
}
}
return null;
}
interface TestResponse {
key: string;
value: boolean;
}
export async function testData(servers: string[], key: string): Promise<Record<string, boolean | null> | null> {
const res: Record<string, boolean | null> = {};
for (const server of servers) {
res[server] = null;
try {
// Handle relative paths (for development proxy) vs absolute URLs (for production)
const url = server.startsWith('/')
? `${server}/test/${key}` // Relative path - use as-is for proxy
: new URL(`${server}/test/${key}`).toString(); // Absolute URL - construct properly
const response = await axios.get(url);
if (response.status !== 200) {
console.error(`${server}: Test response status: ${response.status}`);
continue;
}
const data: TestResponse = response.data;
res[server] = data.value;
} catch (error) {
console.error('Error retrieving data:', error);
return null;
}
}
return res;
}