{"adoption": {"forks": 129, "observed_at": "2026-08-28T04:05:30.822354+00:00", "stars": 1747}, "canonical_url": "https://ross.abutalabs.com/products/nosurf", "card": {"archived": false, "artifact_type": "library", "description": "CSRF protection middleware for Go.", "domain": ["security", "web-development", "backend"], "enriched": true, "function": ["middleware", "security", "http-server"], "health_score": 46, "homepage": "http://godoc.org/github.com/justinas/nosurf", "language": "Go", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["justinas/nosurf"], "name": "justinas/nosurf", "platform": ["go"], "pushed_at": "2025-05-13T12:23:43+00:00", "repo": "justinas/nosurf", "stars": 1747, "tags": ["csrf", "csrf-protection", "http-middleware", "breach-mitigation", "zero-dependency", "web-server"], "topics": ["csrf", "go", "security", "middleware"], "urls": [], "use_cases": ["add csrf protection to a go http server", "protect go web forms from cross-site request forgery", "csrf middleware for any go framework handler", "exempt specific api endpoints from csrf checks", "mitigate breach attacks with masked csrf tokens", "custom error response for failed csrf validation"], "what_it_is": "nosurf is a Go HTTP package that provides CSRF protection via a CSRFHandler middleware wrapping any http.Handler. It validates tokens on unsafe HTTP methods, supports endpoint exemptions, custom failure handlers, and masked tokens to mitigate BREACH attacks.", "when_to_avoid": ["your framework already ships built-in CSRF protection", "you need CSRF protection outside Go", "you need session-backed token storage with advanced rotation policies"], "when_to_choose": ["you need framework-agnostic CSRF protection for any Go http.Handler", "you want zero dependencies outside the Go standard library", "you need fine-grained endpoint exemptions via paths, globs, or regexes", "you want BREACH-resistant masked tokens"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/nosurf", "repo": "justinas/nosurf", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:30.822354+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:29:02.684674+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "e0a4ff8fbcbc9337700e6e623c4979afaf41372edd54e6d9ef360024226abe22", "fetched_at": "2026-08-28T04:05:30.822354+00:00", "kind": "readme", "missing": false, "url": "https://github.com/justinas/nosurf"}, {"content_hash": "314e7cd83b996e30d70fd741258076f018f77292eaffe7b78ebf31804e4e160a", "fetched_at": "2026-08-29T11:06:53.592505+00:00", "kind": "homepage", "missing": false, "url": "http://godoc.org/github.com/justinas/nosurf"}, {"content_hash": "75785202787982b0473b4d3670a3a27d75ac579d845d284ac1c5eb57ab52ce15", "fetched_at": "2026-08-29T11:06:53.598254+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/about"}, {"content_hash": "eac6d2130669ac67637383bd113c749f391c8590ed2d93ad6ddc5050a4a8ae5d", "fetched_at": "2026-08-29T11:06:53.595561+00:00", "kind": "site_page", "missing": false, "url": "https://pkg.go.dev/github.com/justinas/nosurf"}, {"content_hash": "d5ca00bb378b3176005edcb1536e3eac5a43d18a9370fe9acade241faac7a003", "fetched_at": "2026-08-29T11:06:53.600313+00:00", "kind": "site_page", "missing": false, "url": "https://go.dev/project"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 21, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4759, "days_push": 477, "days_rel": 477, "gap_med": null, "n_releases_24m": 1}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}