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diff --git a/Collapse file: setup.cfg
‎setup.cfg‎
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+1-1Lines changed: 1 addition & 1 deletion b/Collapse file: setup.cfg
‎setup.cfg‎
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diff --git a/Collapse file: vulnerabilities/tests/util_tests.py
‎vulnerabilities/tests/util_tests.py‎
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‎vulnerabilities/tests/util_tests.py‎
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diff --git a/Collapse file: vulntotal/__init__.py
‎vulntotal/__init__.py‎
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‎vulntotal/__init__.py‎
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diff --git a/Collapse file: vulntotal/datasources/__init__.py
‎vulntotal/datasources/__init__.py‎
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‎vulntotal/datasources/__init__.py‎
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diff --git a/Collapse file: vulntotal/datasources/deps.py
‎vulntotal/datasources/deps.py‎
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+107Lines changed: 107 additions & 0 deletions b/Collapse file: vulntotal/datasources/deps.py
‎vulntotal/datasources/deps.py‎
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diff --git a/Collapse file: vulntotal/datasources/github.py
‎vulntotal/datasources/github.py‎
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+140Lines changed: 140 additions & 0 deletions b/Collapse file: vulntotal/datasources/github.py
‎vulntotal/datasources/github.py‎
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@@ -116,4 +116,4 @@ dev =
 [options.entry_points]
 console_scripts =
     vulnerablecode = vulnerablecode:command_line
-
+    vulntotal = vulntotal.vulntotal_cli:handler
@@ -42,6 +42,17 @@ def check_results_against_json(
         with open(expected_file) as exp:
             expected = json.load(exp)
 
+    check_results_against_expected(results, expected)
+
+
+def check_results_against_expected(
+    results,
+    expected,
+):
+    """
+    Check the JSON-serializable mapping or sequence ``results`` against the
+    ``expected``.
+    """
     # NOTE we redump the JSON as a YAML string for easier display of
     # the failures comparison/diff
     if results != expected:
 
@@ -0,0 +1,8 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See https://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
@@ -0,0 +1,27 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See https://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+from vulntotal.datasources import deps
+from vulntotal.datasources import github
+from vulntotal.datasources import gitlab
+from vulntotal.datasources import oss_index
+from vulntotal.datasources import osv
+from vulntotal.datasources import snyk
+from vulntotal.datasources import vulnerablecode
+from vulntotal.validator import DataSource
+
+DATASOURCE_REGISTRY = {
+    "deps": deps.DepsDataSource,
+    "github": github.GithubDataSource,
+    "gitlab": gitlab.GitlabDataSource,
+    "oss_index": oss_index.OSSDataSource,
+    "osv": osv.OSVDataSource,
+    "snyk": snyk.SnykDataSource,
+    "vulnerablecode": vulnerablecode.VulnerableCodeDataSource,
+}
@@ -0,0 +1,107 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See https://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+import logging
+from typing import Iterable
+from urllib.parse import quote
+
+import requests
+
+from vulntotal.validator import DataSource
+from vulntotal.validator import VendorData
+
+logger = logging.getLogger(__name__)
+
+
+class DepsDataSource(DataSource):
+    spdx_license_expression = "TODO"
+    license_url = "TODO"
+
+    def fetch_json_response(self, url):
+        response = requests.get(url)
+        if not response.status_code == 200 or response.text == "Not Found":
+            logger.error(f"Error while fetching {url}")
+            return
+        return response.json()
+
+    def datasource_advisory(self, purl) -> Iterable[VendorData]:
+        payload = generate_meta_payload(purl)
+        response = self.fetch_json_response(payload)
+        if response:
+            advisories = parse_advisories_from_meta(response)
+            if advisories:
+                for advisory in advisories:
+                    advisory_payload = generate_advisory_payload(advisory)
+                    fetched_advisory = self.fetch_json_response(advisory_payload)
+                    self._raw_dump.append(fetched_advisory)
+                    if fetched_advisory:
+                        return parse_advisory(fetched_advisory)
+
+    @classmethod
+    def supported_ecosystem(cls):
+        return {
+            "npm": "npm",
+            "maven": "maven",
+            "golang": "go",
+            "pypi": "pypi",
+            "cargo": "cargo",
+            # Coming soon
+            # "nuget": "nuget",
+        }
+
+
+def parse_advisory(advisory) -> Iterable[VendorData]:
+    package = advisory["packages"][0]
+    affected_versions = [event["version"] for event in package["versionsAffected"]]
+    fixed_versions = [event["version"] for event in package["versionsUnaffected"]]
+    yield VendorData(
+        aliases=sorted(set(advisory["aliases"])),
+        affected_versions=sorted(set(affected_versions)),
+        fixed_versions=sorted(set(fixed_versions)),
+    )
+
+
+def parse_advisories_from_meta(advisories_metadata):
+    advisories = []
+    dependencies = advisories_metadata.get("dependencies") or []
+    for dependency in dependencies:
+        advs = dependency.get("advisories") or []
+        advisories.extend(advs)
+    return advisories
+
+
+def generate_advisory_payload(advisory_meta):
+    url_advisory = "https://deps.dev/_/advisory/{source}/{sourceID}"
+    return url_advisory.format(source=advisory_meta["source"], sourceID=advisory_meta["sourceID"])
+
+
+def generate_meta_payload(purl):
+    url_advisories_meta = "https://deps.dev/_/s/{ecosystem}/p/{package}/v/{version}/dependencies"
+    supported_ecosystem = DepsDataSource.supported_ecosystem()
+    if purl.type in supported_ecosystem:
+        purl_version = purl.version
+        purl_name = purl.name
+
+        if purl.type == "maven":
+            if not purl.namespace:
+                logger.error(f"Invalid Maven PURL {str(purl)}")
+                return
+            purl_name = quote(f"{purl.namespace}:{purl.name}", safe="")
+
+        elif purl.type == "golang":
+            if purl.namespace:
+                purl_name = quote(f"{purl.namespace}/{purl.name}", safe="")
+            if not purl_version.startswith("v"):
+                purl_version = f"v{purl_version}"
+
+        return url_advisories_meta.format(
+            ecosystem=supported_ecosystem[purl.type],
+            package=purl_name,
+            version=purl_version,
+        )
@@ -0,0 +1,140 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See https://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+import logging
+from typing import Iterable
+
+from vulnerabilities import utils
+from vulntotal.validator import DataSource
+from vulntotal.validator import VendorData
+from vulntotal.vulntotal_utils import github_constraints_satisfied
+
+logger = logging.getLogger(__name__)
+
+
+class GithubDataSource(DataSource):
+    spdx_license_expression = "TODO"
+    license_url = "TODO"
+
+    def fetch_github(self, graphql_query):
+        return utils.fetch_github_graphql_query(graphql_query)
+
+    def datasource_advisory(self, purl) -> Iterable[VendorData]:
+        end_cursor = ""
+        interesting_edges = []
+        while True:
+            queryset = generate_graphql_payload(purl, end_cursor)
+            response = self.fetch_github(queryset)
+            self._raw_dump.append(response)
+            security_advisories = response["data"]["securityVulnerabilities"]
+            interesting_edges.extend(extract_interesting_edge(security_advisories["edges"], purl))
+            end_cursor = security_advisories["pageInfo"]["endCursor"]
+            if not security_advisories["pageInfo"]["hasNextPage"]:
+                break
+        return parse_advisory(interesting_edges)
+
+    @classmethod
+    def supported_ecosystem(cls):
+        return {
+            "maven": "MAVEN",
+            "nuget": "NUGET",
+            "composer": "COMPOSER",
+            "pypi": "PIP",
+            "gem": "RUBYGEMS",
+            "golang": "GO",
+            "rust": "RUST",
+            "npm": "NPM",
+            "erlang": "ERLANG",
+        }
+
+
+def parse_advisory(interesting_edges) -> Iterable[VendorData]:
+    for edge in interesting_edges:
+        node = edge["node"]
+        aliases = [aliase["value"] for aliase in node["advisory"]["identifiers"]]
+        affected_versions = node["vulnerableVersionRange"].strip().replace(" ", "").split(",")
+        fixed_versions = [node["firstPatchedVersion"]["identifier"]]
+        yield VendorData(
+            aliases=sorted(list(set(aliases))),
+            affected_versions=sorted(list(set(affected_versions))),
+            fixed_versions=sorted(list(set(fixed_versions))),
+        )
+
+
+def extract_interesting_edge(edges, purl):
+    interesting_edges = []
+    for edge in edges:
+        if github_constraints_satisfied(edge["node"]["vulnerableVersionRange"], purl.version):
+            interesting_edges.append(edge)
+    return interesting_edges
+
+
+def generate_graphql_payload(purl, end_cursor):
+    GRAPHQL_QUERY_TEMPLATE = """
+    query{
+        securityVulnerabilities(first: 100, ecosystem: %s, package: "%s", %s){
+            edges {
+            node {
+                advisory {
+                    identifiers {
+                        type
+                        value
+                    }
+                    summary
+                    references {
+                        url
+                    }
+                    severity
+                    publishedAt
+                }
+                firstPatchedVersion{
+                    identifier
+                }
+                package {
+                    name
+                }
+                vulnerableVersionRange
+            }
+        }
+        pageInfo {
+            hasNextPage
+            endCursor
+        }
+    }
+    }
+    """
+
+    supported_ecosystem = GithubDataSource.supported_ecosystem()
+
+    if purl.type not in supported_ecosystem:
+        return
+
+    end_cursor_exp = ""
+    ecosystem = supported_ecosystem[purl.type]
+    package_name = purl.name
+
+    if end_cursor:
+        end_cursor_exp = f'after: "{end_cursor}"'
+
+    if purl.type == "maven":
+        if not purl.namespace:
+            logger.error(f"Invalid Maven PURL {str(purl)}")
+            return
+        package_name = f"{purl.namespace}:{purl.name}"
+
+    elif purl.type == "composer":
+        if not purl.namespace:
+            logger.error(f"Invalid Composer PURL {str(purl)}")
+            return
+        package_name = f"{purl.namespace}/{purl.name}"
+
+    elif purl.type == "golang" and purl.namespace:
+        package_name = f"{purl.namespace}/{purl.name}"
+
+    return {"query": GRAPHQL_QUERY_TEMPLATE % (ecosystem, package_name, end_cursor_exp)}