Added JSON schema, prettify apps.json in build

bin/wappalyzer-build

@@ -16,6 +16,10 @@ then
 	exit 1
 fi
 
+echo "Prettifying apps.json..."
+
+jsonlint -ist $'\t' $WAPPALYZER_ROOT/src/apps.json
+
 wappalyzer links
 
 # Mozilla Firefox

bin/wappalyzer-validate

@@ -31,7 +31,7 @@ echo "Validating apps.json..."
 
 echo -en "${color_err}"
 
-jsonlint --quiet $path/apps.json
+jsonlint --quiet -V $WAPPALYZER_ROOT/schema.json $path/apps.json
 
 if [ $? -eq 0 ]
 then

schema.json

@@ -0,0 +1,82 @@
+{
+	"title": "Wappalyzer Schema",
+	"type": "object",
+	"additionalProperties": false,
+	"properties": {
+		"categories": {
+			"type": "object",
+			"required": true,
+			"additionalProperties": false,
+			"patternProperties": {
+				"^[0-9]+$": {
+					"type": "string"
+				}
+			}
+		},
+		"apps": {
+			"type": "object",
+			"required": true,
+			"additionalProperties": {
+				"additionalProperties": false,
+				"properties": {
+					"cats": {
+						"type": "array",
+						"items": {
+							"type": "number"
+						},
+						"required": true
+					},
+					"env": {
+						"type": [ "string", "array" ],
+						"items": {
+							"type": "string"
+						}
+					},
+					"headers": {
+						"type": "object",
+						"additionalProperties": {
+							"type": "string"
+						}
+					},
+					"html": {
+						"type": [ "string", "array" ],
+						"items": {
+							"type": "string"
+						}
+					},
+					"excludes": {
+						"type": [ "string", "array" ],
+						"items": {
+							"type": "string"
+						}
+					},
+					"implies": {
+						"type": [ "string", "array" ],
+						"items": {
+							"type": "string"
+						}
+					},
+					"meta": {
+						"type": "object",
+						"additionalProperties": {
+							"type": "string"
+						}
+					},
+					"script": {
+						"type": [ "string", "array" ],
+						"items": {
+							"type": "string"
+						}
+					},
+					"url": {
+						"type": "string"
+					},
+					"website": {
+						"type": "string",
+						"required": true
+					}
+				}
+			}
+		}
+	}
+}