Merge pull request #10114 from RasmusWL/shared-http-client-request

Ruby/Python: Shared HTTP client request concept

javascript/ql/lib/semmle/javascript/internal/ConceptsShared.qll

@@ -87,3 +87,70 @@ module Cryptography {
     predicate isWeak() { this = "ECB" }
   }
 }
+
+/** Provides classes for modeling HTTP-related APIs. */
+module Http {
+  /** Provides classes for modeling HTTP clients. */
+  module Client {
+    /**
+     * A data-flow node that makes an outgoing HTTP request.
+     *
+     * Extend this class to refine existing API models. If you want to model new APIs,
+     * extend `Http::Client::Request::Range` instead.
+     */
+    class Request extends DataFlow::Node instanceof Request::Range {
+      /**
+       * Gets a data-flow node that contributes to the URL of the request.
+       * Depending on the framework, a request may have multiple nodes which contribute to the URL.
+       */
+      DataFlow::Node getAUrlPart() { result = super.getAUrlPart() }
+
+      /** Gets a string that identifies the framework used for this request. */
+      string getFramework() { result = super.getFramework() }
+
+      /**
+       * Holds if this request is made using a mode that disables SSL/TLS
+       * certificate validation, where `disablingNode` represents the point at
+       * which the validation was disabled, and `argumentOrigin` represents the origin
+       * of the argument that disabled the validation (which could be the same node as
+       * `disablingNode`).
+       */
+      predicate disablesCertificateValidation(
+        DataFlow::Node disablingNode, DataFlow::Node argumentOrigin
+      ) {
+        super.disablesCertificateValidation(disablingNode, argumentOrigin)
+      }
+    }
+
+    /** Provides a class for modeling new HTTP requests. */
+    module Request {
+      /**
+       * A data-flow node that makes an outgoing HTTP request.
+       *
+       * Extend this class to model new APIs. If you want to refine existing API models,
+       * extend `Http::Client::Request` instead.
+       */
+      abstract class Range extends DataFlow::Node {
+        /**
+         * Gets a data-flow node that contributes to the URL of the request.
+         * Depending on the framework, a request may have multiple nodes which contribute to the URL.
+         */
+        abstract DataFlow::Node getAUrlPart();
+
+        /** Gets a string that identifies the framework used for this request. */
+        abstract string getFramework();
+
+        /**
+         * Holds if this request is made using a mode that disables SSL/TLS
+         * certificate validation, where `disablingNode` represents the point at
+         * which the validation was disabled, and `argumentOrigin` represents the origin
+         * of the argument that disabled the validation (which could be the same node as
+         * `disablingNode`).
+         */
+        abstract predicate disablesCertificateValidation(
+          DataFlow::Node disablingNode, DataFlow::Node argumentOrigin
+        );
+      }
+    }
+  }
+}