all

2024-04-21 14:42:52 +02:00
parent 4b69674ede
commit 8a25f53c99
10700 changed files with 55767 additions and 14201 deletions
--- a/Securite/Linkwarden/lib/api/storage/readFile.ts
+++ b/Securite/Linkwarden/lib/api/storage/readFile.ts
@ -0,0 +1,135 @@
+import {
+  GetObjectCommand,
+  GetObjectCommandInput,
+  S3,
+} from "@aws-sdk/client-s3";
+import fs from "fs";
+import path from "path";
+import s3Client from "./s3Client";
+import util from "util";
+
+type ReturnContentTypes =
+  | "text/plain"
+  | "image/jpeg"
+  | "image/png"
+  | "application/pdf"
+  | "application/json";
+
+export default async function readFile(filePath: string) {
+  let contentType: ReturnContentTypes;
+
+  if (s3Client) {
+    const bucketParams: GetObjectCommandInput = {
+      Bucket: process.env.SPACES_BUCKET_NAME,
+      Key: filePath,
+    };
+
+    try {
+      let returnObject:
+        | {
+            file: Buffer | string;
+            contentType: ReturnContentTypes;
+            status: number;
+          }
+        | undefined;
+
+      const headObjectAsync = util.promisify(
+        s3Client.headObject.bind(s3Client)
+      );
+
+      try {
+        await headObjectAsync(bucketParams);
+      } catch (err) {
+        contentType = "text/plain";
+
+        returnObject = {
+          file: "File not found.",
+          contentType,
+          status: 400,
+        };
+      }
+
+      if (!returnObject) {
+        const response = await (s3Client as S3).send(
+          new GetObjectCommand(bucketParams)
+        );
+        const data = await streamToBuffer(response.Body);
+
+        if (filePath.endsWith(".pdf")) {
+          contentType = "application/pdf";
+        } else if (filePath.endsWith(".png")) {
+          contentType = "image/png";
+        } else if (filePath.endsWith("_readability.json")) {
+          contentType = "application/json";
+        } else {
+          // if (filePath.endsWith(".jpg"))
+          contentType = "image/jpeg";
+        }
+        returnObject = { file: data as Buffer, contentType, status: 200 };
+      }
+
+      return returnObject;
+    } catch (err) {
+      console.log("Error:", err);
+
+      contentType = "text/plain";
+      return {
+        file: "An internal occurred, please contact the support team.",
+        contentType,
+      };
+    }
+  } else {
+    const storagePath = process.env.STORAGE_FOLDER || "data";
+    const creationPath = path.join(process.cwd(), storagePath + "/" + filePath);
+
+    if (filePath.endsWith(".pdf")) {
+      contentType = "application/pdf";
+    } else if (filePath.endsWith(".png")) {
+      contentType = "image/png";
+    } else if (filePath.endsWith("_readability.json")) {
+      contentType = "application/json";
+    } else {
+      // if (filePath.endsWith(".jpg"))
+      contentType = "image/jpeg";
+    }
+
+    if (!fs.existsSync(creationPath))
+      return {
+        file: "File not found.",
+        contentType: "text/plain",
+        status: 404,
+      };
+    else {
+      const file = fs.readFileSync(creationPath);
+      return { file, contentType, status: 200 };
+    }
+  }
+}
+
+// Turn the file's body into buffer
+const streamToBuffer = (stream: any) => {
+  const chunks: any = [];
+  return new Promise((resolve, reject) => {
+    stream.on("data", (chunk: any) => chunks.push(Buffer.from(chunk)));
+    stream.on("error", (err: any) => reject(err));
+    stream.on("end", () => resolve(Buffer.concat(chunks)));
+  });
+};
+
+const fileNotFoundTemplate = `<!DOCTYPE html>
+                              <html lang="en">
+                              <head>
+                                <meta charset="UTF-8">
+                                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+                                <title>File not found</title>
+                              </head>
+                              <body style="margin-left: auto; margin-right: auto; max-width: 500px; padding: 1rem; font-family: sans-serif; background-color: rgb(251, 251, 251);">
+                                <h1>File not found</h1>
+                                <h2>It is possible that the file you're looking for either doesn't exist or hasn't been created yet.</h2>
+                                <h3>Some possible reasons are:</h3>
+                                <ul>
+                                  <li>You are trying to access a file too early, before it has been fully archived. If that's the case, refreshing the page might resolve the issue.</li>
+                                  <li>The file doesn't exist either because it encountered an error while being archived, or it simply doesn't exist.</li>
+                                </ul>
+                              </body>
+                              </html>`;