start implementing related posts system

.eleventy.js

@@ -3,6 +3,7 @@ const pluginRss = require('@11ty/eleventy-plugin-rss');
 const timeToRead = require('eleventy-plugin-time-to-read');
 const safeLinks = require('@sardine/eleventy-plugin-external-links');
 const eleventySass = require("@11tyrocks/eleventy-plugin-sass-lightningcss");
+const related = require("eleventy-plugin-related");
 
 module.exports = function (eleventyConfig) {
   const parseDate = (str) => {
@@ -45,11 +46,35 @@ module.exports = function (eleventyConfig) {
 
   eleventyConfig.addFilter('urlescape', str => {
     return str.split('/').map(part => encodeURI(part)).join('/')
-  })
+  });
+
+  // this appears to potentially be dependent on rendering order
+  eleventyConfig.addFilter("related", function(obj) {
+    const post = this.ctx;
+    const posts = this.ctx.collections.posts.map(post => post.data);
+
+    const tagScore = (a, b) => {
+      const total = a.tags.length + b.tags.length;
+      const intersection = a.tags.filter(tag => b.tags.includes(tag)).length;
+      return (intersection * 2) / total;
+    }
+
+    const results = related.related({
+      serializer: (doc) => [doc.title, doc.description],
+      weights: [10, 10],
+    })(post, posts).map(result => {
+      return {
+        relative: result.relative + tagScore(post, result.document),
+        document: result.document
+      }
+    });
+
+    return results.filter(result => result.relative > 0.0).slice(0,3);
+  });
 
   eleventyConfig.addCollection('posts', collection => {
     return collection.getFilteredByGlob('src/posts/*.md').reverse()
-  })
+  });
 
   return {
     templateFormats: ["njk", "md", "html"],

package-lock.json

@@ -13,6 +13,7 @@
                 "@11ty/eleventy-plugin-syntaxhighlight": "^4.0.0",
                 "@11tyrocks/eleventy-plugin-sass-lightningcss": "^1.0.3",
                 "@sardine/eleventy-plugin-external-links": "^1.4.0",
+                "eleventy-plugin-related": "^1.0.6",
                 "eleventy-plugin-time-to-read": "^1.3.0"
             }
         },
@@ -424,6 +425,15 @@
                 "node": ">=0.4.0"
             }
         },
+        "node_modules/afinn-165": {
+            "version": "1.0.4",
+            "resolved": "https://registry.npmjs.org/afinn-165/-/afinn-165-1.0.4.tgz",
+            "integrity": "sha512-7+Wlx3BImrK0HiG6y3lU4xX7SpBPSSu8T9iguPMlaueRFxjbYwAQrp9lqZUuFikqKbd/en8lVREILvP2J80uJA==",
+            "funding": {
+                "type": "github",
+                "url": "https://github.com/sponsors/wooorm"
+            }
+        },
         "node_modules/ansi-styles": {
             "version": "4.3.0",
             "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
@@ -455,6 +465,17 @@
                 "node": ">= 8"
             }
         },
+        "node_modules/apparatus": {
+            "version": "0.0.10",
+            "resolved": "https://registry.npmjs.org/apparatus/-/apparatus-0.0.10.tgz",
+            "integrity": "sha512-KLy/ugo33KZA7nugtQ7O0E1c8kQ52N3IvD/XgIh4w/Nr28ypfkwDfA67F1ev4N1m5D+BOk1+b2dEJDfpj/VvZg==",
+            "dependencies": {
+                "sylvester": ">= 0.0.8"
+            },
+            "engines": {
+                "node": ">=0.2.6"
+            }
+        },
         "node_modules/argparse": {
             "version": "1.0.10",
             "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -910,6 +931,24 @@
             "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.401.tgz",
             "integrity": "sha512-AswqHsYyEbfSn0x87n31Na/xttUqEAg7NUjpiyxC20MaWKLyadOYHMzyLdF78N1iw+FK8/2KHLpZxRdyRILgtA=="
         },
+        "node_modules/eleventy-plugin-related": {
+            "version": "1.0.6",
+            "resolved": "https://registry.npmjs.org/eleventy-plugin-related/-/eleventy-plugin-related-1.0.6.tgz",
+            "integrity": "sha512-Kg4OrXO8eGZkVA5zdhKKYVjnSEFy7CZIsiJGsGJ6ciC0G8cRxk5oIWxMnMVk5i2k99qN2gsEnA5p18zAr2AenA==",
+            "funding": [
+                {
+                    "type": "patreon",
+                    "url": "https://www.patreon.com/jpoehnelt"
+                },
+                {
+                    "type": "opencollective",
+                    "url": "https://opencollective.com/jpoehnelt"
+                }
+            ],
+            "dependencies": {
+                "related-documents": "^1.0.6"
+            }
+        },
         "node_modules/eleventy-plugin-time-to-read": {
             "version": "1.3.0",
             "resolved": "https://registry.npmjs.org/eleventy-plugin-time-to-read/-/eleventy-plugin-time-to-read-1.3.0.tgz",
@@ -1733,6 +1772,11 @@
             "resolved": "https://registry.npmjs.org/list-to-array/-/list-to-array-1.1.0.tgz",
             "integrity": "sha512-+dAZZ2mM+/m+vY9ezfoueVvrgnHIGi5FvgSymbIgJOFwiznWyA59mav95L+Mc6xPtL3s9gm5eNTlNtxJLbNM1g=="
         },
+        "node_modules/lodash": {
+            "version": "4.17.21",
+            "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+            "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        },
         "node_modules/lodash.deburr": {
             "version": "4.1.0",
             "resolved": "https://registry.npmjs.org/lodash.deburr/-/lodash.deburr-4.1.0.tgz",
@@ -1947,6 +1991,22 @@
                 "mustache": "bin/mustache"
             }
         },
+        "node_modules/natural": {
+            "version": "5.2.4",
+            "resolved": "https://registry.npmjs.org/natural/-/natural-5.2.4.tgz",
+            "integrity": "sha512-hstvCeNO63go8GMwZIO/wrmcj2oh0Wom2aN7QFF+1I7EJX/NoyM3jWKDbEoCkkQ7CCqqCn0+QdP9Bj2jkD731A==",
+            "dependencies": {
+                "afinn-165": "^1.0.2",
+                "apparatus": "^0.0.10",
+                "safe-stable-stringify": "^2.2.0",
+                "sylvester": "^0.0.12",
+                "underscore": "^1.9.1",
+                "wordnet-db": "^3.1.11"
+            },
+            "engines": {
+                "node": ">=0.4.10"
+            }
+        },
         "node_modules/neo-async": {
             "version": "2.6.2",
             "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
@@ -2418,6 +2478,25 @@
                 "slash": "^1.0.0"
             }
         },
+        "node_modules/related-documents": {
+            "version": "1.0.8",
+            "resolved": "https://registry.npmjs.org/related-documents/-/related-documents-1.0.8.tgz",
+            "integrity": "sha512-NIbJulmApiKxJRSVkXil/TOSYEnnHOmOrG2JtkClva/w+0CV/KqHSlPREyLijayBaT0XNY3htgVc1ubks6VpCw==",
+            "funding": [
+                {
+                    "type": "patreon",
+                    "url": "https://www.patreon.com/jpoehnelt"
+                },
+                {
+                    "type": "opencollective",
+                    "url": "https://opencollective.com/jpoehnelt"
+                }
+            ],
+            "dependencies": {
+                "lodash": "^4.17.21",
+                "natural": "^5.1.13"
+            }
+        },
         "node_modules/resolve": {
             "version": "1.22.2",
             "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.2.tgz",
@@ -2476,6 +2555,14 @@
                 "queue-microtask": "^1.2.2"
             }
         },
+        "node_modules/safe-stable-stringify": {
+            "version": "2.4.3",
+            "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.4.3.tgz",
+            "integrity": "sha512-e2bDA2WJT0wxseVd4lsDP4+3ONX6HpMXQa1ZhFQ7SU+GjvORCmShbCMltrtIDfkYhVHrOcPtj+KhmDBdPdZD1g==",
+            "engines": {
+                "node": ">=10"
+            }
+        },
         "node_modules/sass": {
             "version": "1.62.1",
             "resolved": "https://registry.npmjs.org/sass/-/sass-1.62.1.tgz",
@@ -2628,6 +2715,14 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
+        "node_modules/sylvester": {
+            "version": "0.0.12",
+            "resolved": "https://registry.npmjs.org/sylvester/-/sylvester-0.0.12.tgz",
+            "integrity": "sha512-SzRP5LQ6Ts2G5NyAa/jg16s8e3R7rfdFjizy1zeoecYWw+nGL+YA1xZvW/+iJmidBGSdLkuvdwTYEyJEb+EiUw==",
+            "engines": {
+                "node": ">=0.2.6"
+            }
+        },
         "node_modules/to-fast-properties": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@@ -2674,6 +2769,11 @@
             "resolved": "https://registry.npmjs.org/uhyphen/-/uhyphen-0.2.0.tgz",
             "integrity": "sha512-qz3o9CHXmJJPGBdqzab7qAYuW8kQGKNEuoHFYrBwV6hWIMcpAmxDLXojcHfFr9US1Pe6zUswEIJIbLI610fuqA=="
         },
+        "node_modules/underscore": {
+            "version": "1.13.6",
+            "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.6.tgz",
+            "integrity": "sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A=="
+        },
         "node_modules/unpipe": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -2747,6 +2847,14 @@
                 "node": ">= 10.0.0"
             }
         },
+        "node_modules/wordnet-db": {
+            "version": "3.1.14",
+            "resolved": "https://registry.npmjs.org/wordnet-db/-/wordnet-db-3.1.14.tgz",
+            "integrity": "sha512-zVyFsvE+mq9MCmwXUWHIcpfbrHHClZWZiVOzKSxNJruIcFn2RbY55zkhiAMMxM8zCVSmtNiViq8FsAZSFpMYag==",
+            "engines": {
+                "node": ">=0.6.0"
+            }
+        },
         "node_modules/wordwrap": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",

package.json

@@ -13,6 +13,7 @@
         "@11ty/eleventy-plugin-syntaxhighlight": "^4.0.0",
         "@11tyrocks/eleventy-plugin-sass-lightningcss": "^1.0.3",
         "@sardine/eleventy-plugin-external-links": "^1.4.0",
+        "eleventy-plugin-related": "^1.0.6",
         "eleventy-plugin-time-to-read": "^1.3.0"
     }
 }

src/posts/how-to-hack-an-airline.md

@@ -4,6 +4,7 @@ date: 2023-01-19
 changed_date: 2023-01-22
 description: "and grab the TSA nofly list along the way"
 tags:
+    - leak
     - security
     - infosec
     - jenkins

src/posts/nebita-malware.md

@@ -7,7 +7,7 @@ tags:
     - infosec
     - malware
     - reverse engineering
-    - php
+    - analysis
 feature_image: /img/posts/nebita-malware/cover.jpg
 feature_alt: "a glitchy edited screenshot of the nebita.com home page"
 ---

src/posts/optimeyes-leak.md

@@ -3,6 +3,7 @@ title: "infosec company owned completely by 4chan user"
 date: 2023-05-10
 description: "risk visualize deez nuts"
 tags:
+    - leak
     - security
     - infosec
     - jenkins