fix: yaml secret file parsing (#3837)

frontend/src/components/utilities/parseSecrets.ts

@@ -77,3 +77,91 @@ export const parseJson = (src: ArrayBuffer | string) => {
   });
   return env;
 };
+
+/**
+ * Parses simple flat YAML with support for multiline strings using |, |-, and >.
+ * @param {ArrayBuffer | string} src
+ * @returns {Record<string, { value: string, comments: string[] }>}
+ */
+export function parseYaml(src: ArrayBuffer | string) {
+  const result: Record<string, { value: string; comments: string[] }> = {};
+
+  const content = src.toString().replace(/\r\n?/g, "\n");
+  const lines = content.split("\n");
+
+  let i = 0;
+  let comments: string[] = [];
+
+  while (i < lines.length) {
+    const line = lines[i].trim();
+
+    // Collect comment
+    if (line.startsWith("#")) {
+      comments.push(line.slice(1).trim());
+      i += 1; // move to next line
+    } else {
+      // Match key: value or key: |, key: >, etc.
+      const keyMatch = lines[i].match(/^([\w.-]+)\s*:\s*(.*)$/);
+      if (keyMatch) {
+        const [, key, rawValue] = keyMatch;
+        let value = rawValue.trim();
+
+        // Multiline string handling
+        if (value === "|-" || value === "|" || value === ">") {
+          const isFolded = value === ">";
+
+          const baseIndent = lines[i + 1]?.match(/^(\s*)/)?.[1]?.length ?? 0;
+          const collectedLines: string[] = [];
+
+          i += 1; // move to first content line
+
+          while (i < lines.length) {
+            const current = lines[i];
+            const currentIndent = current.match(/^(\s*)/)?.[1]?.length ?? 0;
+
+            if (current.trim() === "" || currentIndent >= baseIndent) {
+              collectedLines.push(current.slice(baseIndent));
+              i += 1; // move to next line
+            } else {
+              break;
+            }
+          }
+
+          if (isFolded) {
+            // Join lines with space for `>` folded style
+            value = collectedLines.map((l) => l.trim()).join(" ");
+          } else {
+            // Keep lines with newlines for `|` and `|-`
+            value = collectedLines.join("\n");
+          }
+        } else {
+          // Inline value — strip quotes and inline comment
+          const commentIndex = value.indexOf(" #");
+          if (commentIndex !== -1) {
+            value = value.slice(0, commentIndex).trim();
+          }
+
+          // Remove surrounding quotes
+          if (
+            (value.startsWith('"') && value.endsWith('"')) ||
+            (value.startsWith("'") && value.endsWith("'"))
+          ) {
+            value = value.slice(1, -1);
+          }
+
+          i += 1; // advance to next line
+        }
+
+        result[key] = {
+          value,
+          comments: [...comments]
+        };
+        comments = []; // reset
+      } else {
+        i += 1; // skip unknown line
+      }
+    }
+  }
+
+  return result;
+}

frontend/src/pages/secret-manager/SecretDashboardPage/components/SecretDropzone/SecretDropzone.tsx

@@ -9,7 +9,7 @@ import { twMerge } from "tailwind-merge";
 import { createNotification } from "@app/components/notifications";
 import { ProjectPermissionCan } from "@app/components/permissions";
 // TODO:(akhilmhdh) convert all the util functions like this into a lib folder grouped by functionality
-import { parseDotEnv, parseJson } from "@app/components/utilities/parseSecrets";
+import { parseDotEnv, parseJson, parseYaml } from "@app/components/utilities/parseSecrets";
 import { Button, Lottie, Modal, ModalContent } from "@app/components/v2";
 import { ProjectPermissionActions, ProjectPermissionSub } from "@app/context";
 import { usePopUp, useToggle } from "@app/hooks";
@@ -127,7 +127,7 @@ export const SecretDropzone = ({
     }
   };
 
-  const parseFile = (file?: File, isJson?: boolean) => {
+  const parseFile = (file?: File) => {
     const reader = new FileReader();
     if (!file) {
       createNotification({
@@ -140,10 +140,25 @@ export const SecretDropzone = ({
     setIsLoading.on();
     reader.onload = (event) => {
       if (!event?.target?.result) return;
-      // parse function's argument looks like to be ArrayBuffer
-      const env = isJson
-        ? parseJson(event.target.result as ArrayBuffer)
-        : parseDotEnv(event.target.result as ArrayBuffer);
+
+      let env: TParsedEnv;
+
+      const src = event.target.result as ArrayBuffer;
+
+      switch (file.type) {
+        case "application/json":
+          env = parseJson(src);
+          break;
+        case "text/yaml":
+        case "application/x-yaml":
+        case "application/yaml":
+          env = parseYaml(src);
+          break;
+
+        default:
+          env = parseDotEnv(src);
+          break;
+      }
       setIsLoading.off();
       handleParsedEnv(env);
     };
@@ -165,12 +180,12 @@ export const SecretDropzone = ({
 
     e.dataTransfer.dropEffect = "copy";
     setDragActive.off();
-    parseFile(e.dataTransfer.files[0], e.dataTransfer.files[0].type === "application/json");
+    parseFile(e.dataTransfer.files[0]);
   };
 
   const handleFileUpload = (e: ChangeEvent<HTMLInputElement>) => {
     e.preventDefault();
-    parseFile(e.target?.files?.[0], e.target?.files?.[0]?.type === "application/json");
+    parseFile(e.target?.files?.[0]);
   };
 
   const handleSaveSecrets = async () => {