75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package search
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import (
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"context"
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"net/http"
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"time"
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"go.probo.inc/probo/pkg/agent"
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)
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type (
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searchParams struct {
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Query string `json:"query" jsonschema:"The search query to execute"`
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MaxResults int `json:"max_results" jsonschema:"Maximum number of results to return (default 5, max 10)"`
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}
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searchResult struct {
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Title string `json:"title"`
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URL string `json:"url"`
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Snippet string `json:"snippet"`
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}
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searxngResponse struct {
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Results []searxngResult `json:"results"`
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}
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searxngResult struct {
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Title string `json:"title"`
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URL string `json:"url"`
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Content string `json:"content"`
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}
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)
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// WebSearchTool creates a tool that searches the web using a SearXNG instance.
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// The endpoint should be the base URL of the SearXNG instance (e.g.
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// "http://localhost:8888").
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func WebSearchTool(endpoint string) agent.Tool {
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client := &http.Client{Timeout: 15 * time.Second}
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return agent.FunctionTool(
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"web_search",
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"Search the web for information about a topic. Returns a list of results with title, URL, and snippet. Use this to find news, reviews, breach reports, regulatory actions, and other external information about a vendor.",
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func(ctx context.Context, p searchParams) (agent.ToolResult, error) {
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maxResults := p.MaxResults
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if maxResults <= 0 {
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maxResults = 5
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}
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if maxResults > 10 {
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maxResults = 10
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}
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results, err := searxngSearch(ctx, client, endpoint, p.Query, maxResults)
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if err != nil {
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return agent.ResultErrorf("search request failed: %s", err), nil
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}
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return agent.ResultJSON(results), nil
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},
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)
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}
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