From 393b7f8286422c933102449eba1ba82874a48896 Mon Sep 17 00:00:00 2001
From: "A.J. Shulman" <Shulman.aj@gmail.com>
Date: Sun, 27 Apr 2025 14:57:39 -0400
Subject: improved consistency across doc types and parsing

---
 .../nodes/chatbot/utils/AgentDocumentManager.ts    | 234 ++++++++++++++++++++-
 1 file changed, 225 insertions(+), 9 deletions(-)

(limited to 'src/client/views/nodes/chatbot/utils')

diff --git a/src/client/views/nodes/chatbot/utils/AgentDocumentManager.ts b/src/client/views/nodes/chatbot/utils/AgentDocumentManager.ts
index c3beebcde..cff8380db 100644
--- a/src/client/views/nodes/chatbot/utils/AgentDocumentManager.ts
+++ b/src/client/views/nodes/chatbot/utils/AgentDocumentManager.ts
@@ -14,6 +14,8 @@ import { parsedDoc } from '../chatboxcomponents/ChatBox';
 import { faThumbTackSlash } from '@fortawesome/free-solid-svg-icons';
 import { DocumentManager } from '../../../../util/DocumentManager';
 import { DocumentView } from '../../DocumentView';
+import { RAGChunk, CHUNK_TYPE } from '../types/types';
+import { runInAction } from 'mobx';
 
 /**
  * Interface representing a document in the freeform view
@@ -869,20 +871,43 @@ export class AgentDocumentManager {
                 _layout_autoHeight: true,
             };
 
-            // Use the chatBox's createDocInDash method to create and link the document
+            // Additional handling for web documents
+            if (docType === 'web') {
+                // For web documents, don't sanitize the URL here
+                // Instead, set properties to handle content safely when loaded
+                simpleDoc._disable_resource_loading = true;
+                simpleDoc._sandbox_iframe = true;
+                simpleDoc.data_useCors = true;
+
+                // Specify a more permissive sandbox to allow content to render properly
+                // but still maintain security
+                simpleDoc._iframe_sandbox = 'allow-same-origin allow-scripts allow-popups allow-forms';
+            }
+
+            // Use the chatBox's createDocInDash method to create the document
             if (!this.chatBox) {
                 throw new Error('ChatBox instance not available for creating document');
             }
-            const linkAndShowDoc = (doc: Opt<Doc>) => {
-                if (doc) {
-                    LinkManager.Instance.addLink(Docs.Create.LinkDocument(this.chatBoxDocument!, doc));
-                    this.chatBox._props.addDocument?.(doc);
-                    DocumentManager.Instance.showDocument(doc, { willZoomCentered: true }, () => {});
-                }
-            };
+
             const doc = this.chatBox.whichDoc(simpleDoc, false);
             if (doc) {
-                linkAndShowDoc(doc);
+                // Use MobX runInAction to properly modify observable state
+                runInAction(() => {
+                    if (this.chatBoxDocument && doc) {
+                        // Create link and add it to the document system
+                        const linkDoc = Docs.Create.LinkDocument(this.chatBoxDocument, doc);
+                        LinkManager.Instance.addLink(linkDoc);
+
+                        // Add document to view
+                        this.chatBox._props.addDocument?.(doc);
+
+                        // Show document - defer actual display to prevent immediate resource loading
+                        setTimeout(() => {
+                            DocumentManager.Instance.showDocument(doc, { willZoomCentered: true }, () => {});
+                        }, 100);
+                    }
+                });
+
                 const id = this.processDocument(doc);
                 return id;
             } else {
@@ -893,6 +918,62 @@ export class AgentDocumentManager {
         }
     }
 
+    /**
+     * Sanitizes web content to prevent errors with external resources
+     * @param content The web content to sanitize
+     * @returns Sanitized content
+     */
+    private sanitizeWebContent(content: string): string {
+        if (!content) return content;
+
+        try {
+            // Replace problematic resource references that might cause errors
+            const sanitized = content
+                // Remove preload links that might cause errors
+                .replace(/<link[^>]*rel=["']preload["'][^>]*>/gi, '')
+                // Remove map file references
+                .replace(/\/\/# sourceMappingURL=.*\.map/gi, '')
+                // Remove external CSS map files references
+                .replace(/\/\*# sourceMappingURL=.*\.css\.map.*\*\//gi, '')
+                // Add sandbox to iframes
+                .replace(/<iframe/gi, '<iframe sandbox="allow-same-origin" loading="lazy"')
+                // Prevent automatic resource loading for images
+                .replace(/<img/gi, '<img loading="lazy"')
+                // Prevent automatic resource loading for scripts
+                .replace(/<script/gi, '<script type="text/disabled"')
+                // Handle invalid URIs by converting relative URLs to absolute ones
+                .replace(/href=["'](\/[^"']+)["']/gi, (match, p1) => {
+                    // Only handle relative URLs starting with /
+                    if (p1.startsWith('/')) {
+                        return `href="#disabled-link"`;
+                    }
+                    return match;
+                })
+                // Prevent automatic loading of CSS
+                .replace(/<link[^>]*rel=["']stylesheet["'][^>]*href=["']([^"']+)["']/gi, (match, href) => `<link rel="prefetch" data-original-href="${href}" />`);
+
+            // Wrap the content in a sandboxed container
+            return `
+            <div class="sandboxed-web-content">
+                <style>
+                /* Override styles to prevent external resource loading */
+                @font-face { font-family: 'disabled'; src: local('Arial'); }
+                * { font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif !important; }
+                img, iframe, frame, embed, object { max-width: 100%; }
+                </style>
+                ${sanitized}
+            </div>`;
+        } catch (e) {
+            console.warn('Error sanitizing web content:', e);
+            // Fall back to a safe container with the content as text
+            return `
+            <div class="sandboxed-web-content">
+                <p>Content could not be safely displayed. Raw content:</p>
+                <pre>${content.replace(/</g, '&lt;').replace(/>/g, '&gt;')}</pre>
+            </div>`;
+        }
+    }
+
     public has(docId: string) {
         return this.documentsById.has(docId);
     }
@@ -988,4 +1069,139 @@ export class AgentDocumentManager {
         }
         return undefined;
     }
+
+    /**
+     * Adds simplified chunks to a document for citation handling
+     * @param doc The document to add simplified chunks to
+     * @param chunks Array of full RAG chunks to simplify
+     * @param docType The type of document (e.g., 'pdf', 'video', 'audio', etc.)
+     * @returns The updated document with simplified chunks
+     */
+    public addSimplifiedChunks(doc: Doc, chunks: RAGChunk[], docType: string): Doc {
+        if (!doc) {
+            console.error('Cannot add simplified chunks to null document');
+            return doc;
+        }
+
+        // Initialize empty chunks array if not exists
+        if (!doc.chunk_simpl) {
+            doc.chunk_simpl = JSON.stringify({ chunks: [] });
+        }
+
+        // Create array of simplified chunks based on document type
+        const simplifiedChunks = chunks.map(chunk => {
+            // Common properties across all chunk types
+            const baseChunk = {
+                chunkId: chunk.id,
+                text: chunk.metadata.text,
+                doc_id: chunk.metadata.doc_id,
+                chunkType: chunk.metadata.type || CHUNK_TYPE.TEXT,
+            };
+
+            // Add type-specific properties
+            if (docType === 'video' || docType === 'audio') {
+                return {
+                    ...baseChunk,
+                    start_time: chunk.metadata.start_time,
+                    end_time: chunk.metadata.end_time,
+                    indexes: chunk.metadata.indexes,
+                    chunkType: docType === 'video' ? CHUNK_TYPE.VIDEO : CHUNK_TYPE.AUDIO,
+                };
+            } else if (docType === 'pdf') {
+                return {
+                    ...baseChunk,
+                    startPage: chunk.metadata.start_page,
+                    endPage: chunk.metadata.end_page,
+                    location: chunk.metadata.location,
+                };
+            } else if (docType === 'csv') {
+                return {
+                    ...baseChunk,
+                    rowStart: (chunk.metadata as any).row_start,
+                    rowEnd: (chunk.metadata as any).row_end,
+                    colStart: (chunk.metadata as any).col_start,
+                    colEnd: (chunk.metadata as any).col_end,
+                };
+            } else {
+                // Default for other document types
+                return baseChunk;
+            }
+        });
+
+        // Update the document with all simplified chunks at once
+        doc.chunk_simpl = JSON.stringify({ chunks: simplifiedChunks });
+
+        return doc;
+    }
+
+    /**
+     * Gets the simplified chunks from a document
+     * @param doc The document to get simplified chunks from
+     * @returns Array of simplified chunks or empty array if none exist
+     */
+    public getSimplifiedChunks(doc: Doc): any[] {
+        if (!doc || !doc.chunk_simpl) {
+            return [];
+        }
+
+        try {
+            const parsed = JSON.parse(StrCast(doc.chunk_simpl));
+            return parsed.chunks || [];
+        } catch (e) {
+            console.error('Error parsing simplified chunks:', e);
+            return [];
+        }
+    }
+
+    /**
+     * Gets a specific simplified chunk by ID
+     * @param doc The document containing chunks
+     * @param chunkId The ID of the chunk to retrieve
+     * @returns The simplified chunk if found, undefined otherwise
+     */
+    public getSimplifiedChunkById(doc: Doc, chunkId: string): any | undefined {
+        const chunks = this.getSimplifiedChunks(doc);
+        return chunks.find(chunk => chunk.chunkId === chunkId);
+    }
+
+    /**
+     * Gets the original segments from a media document
+     * @param doc The document containing original media segments
+     * @returns Array of media segments or empty array if none exist
+     */
+    public getOriginalSegments(doc: Doc): any[] {
+        if (!doc || !doc.original_segments) {
+            return [];
+        }
+
+        try {
+            return JSON.parse(StrCast(doc.original_segments)) || [];
+        } catch (e) {
+            console.error('Error parsing original segments:', e);
+            return [];
+        }
+    }
+
+    /**
+     * Gets all document summaries combined into a single string
+     * @returns String containing all document summaries
+     */
+    public getAllDocumentSummaries(): string {
+        const summaries = Array.from(this.documentsById.keys())
+            .map(id => {
+                const doc = this.getDocument(id);
+                if (doc) {
+                    // Try to get summary from either the document or its data document
+                    const summary = doc.summary || (doc[DocData] && doc[DocData].summary);
+                    if (summary) {
+                        return StrCast(summary);
+                    }
+                }
+                return null;
+            })
+            .filter(Boolean)
+            .join('\n\n');
+
+        return summaries;
+    }
 }
-- 
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