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sunshine.py
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2419 lines (1979 loc) · 103 KB
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# This file is part of CycloneDX Sunshine
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
# Copyright (c) OWASP Foundation. All Rights Reserved.
__all__ = [
# This module does not export any symbols; all sumbols are private/internal.
]
import json
import argparse
import os
import html
import copy
import re
if __name__ != "__web__":
import requests
import csv
from decimal import Decimal
if __name__ == "__web__":
from js import writeToLog, fetchDataSync
NAME = "Sunshine"
PREFERRED_VULNERABILITY_RATING_METHODS_ORDER = ["CVSSv4",
"CVSSv31",
"CVSSv3",
"CVSSv2",
"OWASP",
"SSVC",
"other"]
VALID_SEVERITIES = {"critical": 4,
"high": 3,
"medium": 2,
"low": 1,
"info": 0,
"information": 0,
"unknown": -1,
"clean": -2}
GREY = '#bcbcbc'
GREEN = '#7dd491'
YELLOW = '#fccd58'
ORANGE = '#ff9335'
RED = '#ff4633'
DARK_RED = '#a10a0a'
LIGHT_BLUE = '#9fc5e8'
BASIC_STYLE = { "color": GREY, "borderWidth": 2 }
INFORMATION_STYLE = { "color": GREEN, "borderWidth": 2 }
LOW_STYLE = { "color": YELLOW, "borderWidth": 2 }
MEDIUM_STYLE = { "color": ORANGE, "borderWidth": 2 }
HIGH_STYLE = { "color": RED, "borderWidth": 2 }
CRITICAL_STYLE = { "color": DARK_RED, "borderWidth": 2 }
TRANSITIVE_VULN_STYLE = { "color": LIGHT_BLUE, "borderWidth": 2 }
STYLES = {"critical": CRITICAL_STYLE,
"high": HIGH_STYLE,
"medium": MEDIUM_STYLE,
"low": LOW_STYLE,
"information": INFORMATION_STYLE,
"clean": BASIC_STYLE,
"unknown": INFORMATION_STYLE}
REMAINING_WEB_LOGS = 200
HTML_TEMPLATE = """
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sunshine - SBOM visualization tool</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/1.13.7/css/dataTables.bootstrap5.min.css">
<script src="https://code.jquery.com/jquery-3.7.1.js"></script>
<script src="https://cdn.datatables.net/1.13.7/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.13.7/js/dataTables.bootstrap5.min.js"></script>
<script src="https://cdn.datatables.net/buttons/2.4.2/js/dataTables.buttons.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.2.8/pdfmake.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.2.8/vfs_fonts.js"></script>
<script src="https://cdn.datatables.net/buttons/2.4.2/js/buttons.html5.min.js"></script>
<script src="https://cdn.datatables.net/buttons/2.4.2/js/buttons.print.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://fastly.jsdelivr.net/npm/echarts@5.5.1/dist/echarts.min.js"></script>
<style>
body {
margin: 20px;
height: 100vh;
background: linear-gradient(to right, #032c57, #1C538E);
}
#output {
white-space: pre-line;
background-color: #ffffff;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
margin-top: 10px;
font-family: "Courier New", "Lucida Console", monospace;
}
#chart-container {
background-color: #ffffff;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
position: relative;
}
#chart-container-inner, #chart-container-only-vulnerable-inner {
background-color: #ffffff;
padding: 10px;
position: relative;
height: 90vh;
overflow: hidden;
}
#chart-container-placeholder {
background-color: #fffffF;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
}
#table-container, #info-table-container, #vulnerabilities-table-container {
background-color: #fffffF;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
overflow-x:auto;
max-width:100%;
}
#table-container-placeholder, #info-table-container-placeholder, #vulnerabilities-table-container-placeholder {
background-color: #fffffF;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
}
#upload-file-container {
background-color: #fffffF;
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
}
#file-input {
margin: 20px;
}
.dataTables_filter {
display: none;
}
th input {
width: 100%;
box-sizing: border-box;
}
.dataTables_length {
padding-bottom: 10px !important;
}
.light-text {
color: #baccde;
}
.dt-buttons {
float: right;
}
.active>.page-link, .page-link.active {
background-color: #1C538E !important;
color: white !important;
}
.page-link {
color: #1C538E;
}
#components-table_paginate, #vulnerabilities-table_paginate {
float: right;
margin-top: -33px;
}
.bg-dark-red {
background-color: #a10a0a;
color: white;
}
.bg-orange {
background-color: #ff9335;
color: white;
}
.bg-yellow {
background-color: #fccd58;
color: white;
}
.bg-light-blue {
background-color: #9fc5e8;
color: black;
}
#footer {
position: fixed;
bottom: 0;
left: 0;
width: 100%;
background-color: #032c57;
color: #baccde;
text-align: center;
z-index: 100000;
}
#footer a {
color: #baccde;
}
#info-table_paginate, #info-table_length, #info-table_info {
display: none;
}
.opaque {
opacity: 0.5;
}
@media print {
body {
background-color: transparent !important;
background-image: none !important;
}
}
.loading-overlay {
position: fixed;
width: 100%;
height: 100vh;
background: #032c57;
top: 0;
left: 0;
z-index: 1000;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
color: #baccde;
text-transform: uppercase;
letter-spacing: 0.3rem;
font-weight: bold;
}
.spinner {
border: 4px solid #baccde;
border-top: 4px solid #3498db;
border-radius: 50%;
width: 40px;
height: 40px;
animation: spin 2s linear infinite;
margin-bottom: 10px;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
</head>
<body>
<div id="loadingOverlay" class="loading-overlay">
<div class="spinner"></div>
<div class="loading-text">Loading Sunshine SBOM...</div>
</div>
<h1 class="light-text">Sunshine - SBOM visualization tool</h1>
<br>
<div id="upload-file-container">
<span>Analyzed CycloneDX JSON file: <i><FILE_NAME_HERE></i></span>
</div>
<br>
<h3 class="light-text">Summary</h3>
<div id="info-table-container">
<table id="info-table" class="table table-striped table-bordered" style="width:100%"><METADATA_TABLE_HERE></table>
</div>
<br><br>
<h3 class="light-text">Components chart</h3>
<div id="chart-container">
This chart visualizes components and their dependencies, with each segment representing a single component. The chart provides a hierarchical view of the dependency structure, with relationships radiating outward from the core components.<br>
<ul>
<li><b>Innermost circle:</b> represents components that are independent and not dependencies for any other components.</li>
<li><b>Outer circles:</b> each segment represents a dependency of the corresponding segment in the circle immediately inside it. The farther a segment is from the center, the deeper the dependency level.</li>
</ul>
<i>Note: If there is only one circle, it means that no dependency relationships are defined in the input file.</i>
<br><br>
The colors of the segments indicate the vulnerability status of the components:
<ul>
<li><b>Dark red:</b> affected by at least one critical severity vulnerability.</li>
<li><b>Red:</b> affected by at least one high severity vulnerability.</li>
<li><b>Orange:</b> affected by at least one medium severity vulnerability.</li>
<li><b>Yellow:</b> affected by at least one low severity vulnerability.</li>
<li><b>Green:</b> affected by at least one informational severity vulnerability.</li>
<li><b>Light blue:</b> not directly affected by vulnerabilities but has at least one vulnerable dependency.</li>
<li><b>Grey:</b> neither the component nor its dependencies are affected by any vulnerabilities.</li>
</ul>
The chart is interactive:
<ul>
<li><b>Hovering:</b> displays details about a component, including its name, version, and list of vulnerabilities.</li>
<li><b>Clicking:</b> refocuses the chart. The clicked segment becomes the center (second innermost circle), showing only that component and its dependencies. In this view, the innermost circle is always blue. Clicking the blue circle navigates back up one level in the dependency hierarchy.</li>
</ul>
<hr>
<div class="form-check" id="sunburst-selector-all">
<input class="form-check-input" type="radio" name="showComponentsSwitch" id="allComponents" value="allComponents" checked onchange="handleShowComponentsSwitchChange(this)">
<label class="form-check-label" for="allComponents">
Show all components
</label>
</div>
<div class="form-check" id="sunburst-selector-vulnerable">
<input class="form-check-input" type="radio" name="showComponentsSwitch" id="vulnerableComponents" value="vulnerableComponents" onchange="handleShowComponentsSwitchChange(this)">
<label class="form-check-label" for="vulnerableComponents">
Show only components with direct or transitive vulnerabilities
</label>
</div>
<hr>
<div id="chart-container-inner" style="display: block"></div>
<div id="chart-container-only-vulnerable-inner" style="display: none"></div>
</div>
<br>
<h3 class="light-text">Components table</h3>
<div id="table-container">
This table visualizes components, their dependencies, vulnerabilities and licenses.<br>
The colors of the elements in columns "Component", "Depends on" and "Dependency of" indicate the vulnerability status of the components:
<ul>
<li><b>Dark red:</b> affected by at least one critical severity vulnerability.</li>
<li><b>Red:</b> affected by at least one high severity vulnerability.</li>
<li><b>Orange:</b> affected by at least one medium severity vulnerability.</li>
<li><b>Yellow:</b> affected by at least one low severity vulnerability.</li>
<li><b>Green:</b> affected by at least one informational severity vulnerability.</li>
<li><b>Light blue:</b> not directly affected by vulnerabilities but has at least one vulnerable dependency.</li>
<li><b>Grey:</b> neither the component nor its dependencies are affected by any vulnerabilities.</li>
</ul>
<br>
The colors of the elements in columns "Direct vulnerabilities" and "Transitive vulnerabilities" indicate the severity of the vulnerabilities:
<ul>
<li><b>Dark red:</b> critical.</li>
<li><b>Red:</b> high.</li>
<li><b>Orange:</b> medium.</li>
<li><b>Yellow:</b>low.</li>
<li><b>Green:</b>informational.</li>
</ul>
<br>
The "Depth" column indicates a component's position in the dependency graph:
<ul>
<li>A <b>"root"</b> value means it is a root component, meaning it resides in the innermost circle of the chart.</li>
<li>An <b>integer</b> value represents the component's depth level within the dependency chain.</li>
</ul>
<i>Note: since a single component may be a dependency for multiple components in different places in the dependency graph, it may be associated with multiple depths.</i>
<hr><br>
<div id="table-container-inner">
<table id="components-table" class="table table-striped table-bordered" style="width:100%"><COMPONENTS_TABLE_HERE></table>
</div>
</div>
<br>
<h3 class="light-text">Vulnerabilities table</h3>
<div id="vulnerabilities-table-container">
This table focuses on vulnerabilities and shows the components that are affected either directly or transitively.<br>
The colors of the elements in column "Vulnerability" indicate the severity of the vulnerabilities:
<ul>
<li><b>Dark red:</b> critical.</li>
<li><b>Red:</b> high.</li>
<li><b>Orange:</b> medium.</li>
<li><b>Yellow:</b>low.</li>
<li><b>Green:</b>informational.</li>
</ul>
<br>
The colors of the elements in columns "Directly vulnerable components" and "Transitively vulnerable components" indicate the vulnerability status of the components:
<ul>
<li><b>Dark red:</b> affected by at least one critical severity vulnerability.</li>
<li><b>Red:</b> affected by at least one high severity vulnerability.</li>
<li><b>Orange:</b> affected by at least one medium severity vulnerability.</li>
<li><b>Yellow:</b> affected by at least one low severity vulnerability.</li>
<li><b>Green:</b> affected by at least one informational severity vulnerability.</li>
<li><b>Light blue:</b> not directly affected by vulnerabilities but has at least one vulnerable dependency.</li>
</ul>
<hr><br>
<table id="vulnerabilities-table" class="table table-striped table-bordered" style="width:100%"><VULNERABILITIES_TABLE_HERE></table>
</div>
<script type="text/javascript">
window.addEventListener('load', function() {
const loadingOverlay = document.getElementById('loadingOverlay');
loadingOverlay.style.opacity = '0';
loadingOverlay.style.transition = 'opacity 0.5s ease';
setTimeout(() => {
loadingOverlay.style.display = 'none';
}, 500);
});
function showDiv(divId) {
var div = document.getElementById(divId);
if (div.style.display === "none") {
div.style.display = "block";
}
}
function hideDiv(divId) {
var div = document.getElementById(divId);
if (div.style.display === "block") {
div.style.display = "none";
}
}
function handleShowComponentsSwitchChange(radio) {
if (radio.value == "allComponents") {
hideDiv("chart-container-only-vulnerable-inner");
showDiv("chart-container-inner");
var shownChart = echarts.getInstanceByDom(document.getElementById("chart-container-inner"));
shownChart.resize();
}
else if (radio.value == "vulnerableComponents") {
hideDiv("chart-container-inner");
showDiv("chart-container-only-vulnerable-inner");
var shownChart = echarts.getInstanceByDom(document.getElementById("chart-container-only-vulnerable-inner"));
shownChart.resize();
}
}
var dom = document.getElementById('chart-container-inner');
var myChart = echarts.init(dom, null, {
renderer: 'canvas',
useDirtyRect: false
});
var app = {};
var option;
const data = <CHART_DATA_HERE>;
option = {
tooltip: {
formatter: function(params) {
return `${params.name}`;
},
},
series: {
radius: ['15%', '100%'],
type: 'sunburst',
sort: undefined,
emphasis: {
focus: 'ancestor'
},
data: data,
label: {
rotate: 'radial',
show: false
},
levels: []
}
};
if (option && typeof option === 'object') {
myChart.setOption(option);
}
window.addEventListener('resize', myChart.resize);
var domVuln = document.getElementById('chart-container-only-vulnerable-inner');
var myChartVuln = echarts.init(domVuln, null, {
renderer: 'canvas',
useDirtyRect: false
});
var optionVuln;
const dataVuln = <CHART_DATA_VULN_HERE>;
optionVuln = {
tooltip: {
formatter: function(params) {
return `${params.name}`;
},
},
series: {
radius: ['15%', '100%'],
type: 'sunburst',
sort: undefined,
emphasis: {
focus: 'ancestor'
},
data: dataVuln,
label: {
rotate: 'radial',
show: false
},
levels: []
}
};
if (optionVuln && typeof optionVuln === 'object') {
myChartVuln.setOption(optionVuln);
}
window.addEventListener('resize', myChartVuln.resize);
let table = $('#components-table').DataTable({
"order": [[ 1, "asc" ]],
pageLength: 10,
dom: 'Blfrtip',
lengthMenu: [
[10, 25, 50, -1],
[10, 25, 50, 'All']
],
buttons: [
{ extend: 'copy', className: 'btn btn-dark mb-3 btn-sm' },
{ extend: 'csv', className: 'btn btn-secondary mb-3 btn-sm' },
{ extend: 'excel', className: 'btn btn-success mb-3 btn-sm' },
{ extend: 'print', className: 'btn btn-danger mb-3 btn-sm',
customize: function (win) {
$(win.document.body).css('font-size', '10pt');
$(win.document.body).find('table').addClass('compact').css('font-size', 'inherit');
// Add landscape mode
var css = '@page { size: landscape; }',
head = win.document.head || win.document.getElementsByTagName('head')[0],
style = win.document.createElement('style');
style.type = 'text/css';
style.media = 'print';
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(win.document.createTextNode(css));
}
head.appendChild(style);
}
}
],
orderCellsTop: true,
"autoWidth": true
});
$('#components-table thead input').on('keyup change', function () {
let columnIndex = $(this).parent().index();
table.column(columnIndex).search(this.value).draw();
});
let summaryTable = $('#info-table').DataTable({
"order": [[ 1, "asc" ]],
pageLength: 10,
dom: 'Blfrtip',
lengthMenu: [
[10, 25, 50, -1],
[10, 25, 50, 'All']
],
buttons: [
{ extend: 'copy', className: 'btn btn-dark mb-3 btn-sm' },
{ extend: 'csv', className: 'btn btn-secondary mb-3 btn-sm' },
{ extend: 'excel', className: 'btn btn-success mb-3 btn-sm' },
{ extend: 'print', className: 'btn btn-danger mb-3 btn-sm',
customize: function (win) {
$(win.document.body).css('font-size', '10pt');
$(win.document.body).find('table').addClass('compact').css('font-size', 'inherit');
// Add landscape mode
var css = '@page { size: landscape; }',
head = win.document.head || win.document.getElementsByTagName('head')[0],
style = win.document.createElement('style');
style.type = 'text/css';
style.media = 'print';
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(win.document.createTextNode(css));
}
head.appendChild(style);
}
}
],
orderCellsTop: true,
"autoWidth": true
});
let vulnerabilitiesTable = $('#vulnerabilities-table').DataTable({
"order": [[ 1, "asc" ]],
pageLength: 10,
dom: 'Blfrtip',
lengthMenu: [
[10, 25, 50, -1],
[10, 25, 50, 'All']
],
buttons: [
{ extend: 'copy', className: 'btn btn-dark mb-3 btn-sm' },
{ extend: 'csv', className: 'btn btn-secondary mb-3 btn-sm' },
{ extend: 'excel', className: 'btn btn-success mb-3 btn-sm' },
{ extend: 'print', className: 'btn btn-danger mb-3 btn-sm',
customize: function (win) {
$(win.document.body).css('font-size', '10pt');
$(win.document.body).find('table').addClass('compact').css('font-size', 'inherit');
// Add landscape mode
var css = '@page { size: landscape; }',
head = win.document.head || win.document.getElementsByTagName('head')[0],
style = win.document.createElement('style');
style.type = 'text/css';
style.media = 'print';
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(win.document.createTextNode(css));
}
head.appendChild(style);
}
}
],
orderCellsTop: true,
"autoWidth": true
});
$('#vulnerabilities-table thead input').on('keyup change', function () {
let columnIndex = $(this).parent().index();
vulnerabilitiesTable.column(columnIndex).search(this.value).draw();
});
function countSegments(node) {
let count = 1;
if (node.children) {
node.children.forEach(child => {
count += countSegments(child);
});
}
return count;
}
function turnChartIntoImageIfTooManySegments(chartContainerId) {
var chartContainerInnerDiv = document.getElementById(chartContainerId);
var echartsInstance = echarts.getInstanceByDom(chartContainerInnerDiv);
var echartsInstanceData = echartsInstance.getOption().series[0].data;
let totalSegments = echartsInstanceData.reduce((sum, node) => sum + countSegments(node), 0);
if (totalSegments > 10000) {
var chartContainerInnerDivOnlyVuln = document.getElementById("chart-container-only-vulnerable-inner");
echarts.getInstanceByDom(chartContainerInnerDivOnlyVuln).dispose();
chartContainerInnerDivOnlyVuln.remove();
document.getElementById("sunburst-selector-all").innerHTML = '<div class="alert alert-warning" role="alert">WARNING: the chart is not displayed in interactive mode because there are too many dependency relationships. You can still explore components and relationships in the components table.</div>';
document.getElementById("sunburst-selector-vulnerable").remove();
chartContainerInnerDiv.style.display = "block";
echartsInstance.resize();
var imgData = echartsInstance.getDataURL({
type: 'png',
pixelRatio: 2, // Adjust as needed for resolution
backgroundColor: '#fff' // Optional: set background color
});
echartsInstance.dispose();
var img = document.createElement('img');
img.src = imgData;
img.style.width = '100%';
img.style.height = 'auto';
chartContainerInnerDiv.innerHTML = '';
chartContainerInnerDiv.appendChild(img);
chartContainerInnerDiv.style.height = 'auto';
}
}
function showWarningIfChartWasNotCreated(chartContainerId) {
var chartContainerInnerDiv = document.getElementById(chartContainerId);
var chartContainerInnerDivOnlyVuln = document.getElementById("chart-container-only-vulnerable-inner");
echarts.getInstanceByDom(chartContainerInnerDivOnlyVuln).dispose();
chartContainerInnerDivOnlyVuln.remove();
document.getElementById("sunburst-selector-all").innerHTML = '<div class="alert alert-danger" role="alert">WARNING: the chart is not displayed because there are too many dependency relationships. You can still explore components and relationships in the components table.</div>';
document.getElementById("sunburst-selector-vulnerable").remove();
chartContainerInnerDiv.style.display = "block";
chartContainerInnerDiv.innerHTML = '';
chartContainerInnerDiv.style.height = 'auto';
}
turnChartIntoImageIfTooManySegments("chart-container-inner");
<SHOW_WARNING_IF_CHART_WAS_NOT_CREATED>
</script>
<br><br>
<div id="footer">Sunshine - SBOM visualization tool | Made by <a href="https://www.linkedin.com/in/lucacapacci/">Luca Capacci</a> | Contributor <a href="https://www.linkedin.com/in/mattiafierro/">Mattia Fierro</a> | <a href="https://github.com/CycloneDX/Sunshine/">GitHub repository</a> | <a href="https://github.com/CycloneDX/Sunshine/blob/main/LICENSE">License</a></div>
</body>
</html>
"""
def custom_print(text):
if __name__ == "__web__":
global REMAINING_WEB_LOGS
if REMAINING_WEB_LOGS > 0:
REMAINING_WEB_LOGS -= 1
writeToLog(text)
if REMAINING_WEB_LOGS == 0:
writeToLog("WARNING: Messages were truncated because there are too many to be displayed here, use the CLI version to view all the messages")
else:
print(text)
class SetEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, set):
return list(obj)
return super().default(obj)
def create_fake_component(bom_ref):
return {"name": bom_ref,
"version": "-",
"type": "-",
"license": set(),
"depends_on": set(),
"dependency_of": set(),
"vulnerabilities": [],
"transitive_vulnerabilities": [],
"max_vulnerability_severity": "clean",
"has_transitive_vulnerabilities": False,
"visited": False}
def create_base_component(component):
new_component = {"name": component["name"],
"version": component["version"] if "version" in component else "-",
"type": component["type"] if "type" in component else "-",
"license": parse_licenses(component),
"depends_on": set(),
"dependency_of": set(),
"vulnerabilities": [],
"transitive_vulnerabilities": [],
"max_vulnerability_severity": "clean",
"has_transitive_vulnerabilities": False,
"visited": False}
return new_component
def get_severity_by_score(score):
score = float(score)
if score >= 9:
return "critical"
elif score >= 7:
return "high"
elif score >= 4:
return "medium"
elif score > 0:
return "low"
else:
return "information"
def get_preferred_vuln_source(source_1, source_2):
source_1 = source_1.upper()
source_2 = source_2.upper()
if source_1 == "NVD":
source_1_order = 0
elif source_1 in ["-", "EPSS"]:
source_1_order = 2
else:
source_1_order = 1
if source_2 == "NVD":
source_2_order = 0
elif source_2 in ["-", "EPSS"]:
source_2_order = 2
else:
source_2_order = 1
if source_1_order < source_2_order:
return source_1
else:
return source_2
def parse_vulnerability_data(vulnerability):
vuln_id = vulnerability["id"]
vuln_severity = None
vuln_score = 0.0
vuln_vector = "-"
vuln_source = "-"
found_at_least_one = False
if "ratings" in vulnerability:
for preferred_rating_method in PREFERRED_VULNERABILITY_RATING_METHODS_ORDER:
if found_at_least_one is True:
break
for rating in vulnerability["ratings"]:
if "method" not in rating:
continue
if rating["method"] == preferred_rating_method:
found_at_least_one = True
current_vuln_score = 0.0
current_vuln_vector = "-"
current_vuln_source = "-"
if "severity" in rating and rating["severity"].lower() in VALID_SEVERITIES:
current_vuln_severity = rating["severity"]
if current_vuln_severity.lower() == "info":
current_vuln_severity = "information"
current_vuln_severity = current_vuln_severity.lower()
if "score" in rating:
current_vuln_score = float(rating["score"])
if "vector" in rating:
current_vuln_vector = rating["vector"]
if "source" in rating:
if "name" in rating["source"]:
current_vuln_source = rating["source"]["name"]
elif "score" in rating:
current_vuln_severity = get_severity_by_score(rating["score"])
current_vuln_score = float(rating["score"])
if "vector" in rating:
current_vuln_vector = rating["vector"]
if "source" in rating:
if "name" in rating["source"]:
current_vuln_source = rating["source"]["name"]
if get_preferred_vuln_source(vuln_source, current_vuln_source) == current_vuln_source.upper():
vuln_severity = current_vuln_severity
vuln_score = current_vuln_score
vuln_vector = current_vuln_vector
vuln_source = current_vuln_source
if vuln_severity is None:
if "ratings" not in vulnerability:
custom_print(f"WARNING: vulnerability with id '{vulnerability['id']}' does not have a 'ratings' field. I'll set a default 'INFORMATION' severity...")
vuln_severity = get_severity_by_score(0)
elif len(vulnerability["ratings"]) == 0:
custom_print(f"WARNING: vulnerability with id '{vulnerability['id']}' does have an empty 'ratings' field. I'll set a default 'INFORMATION' severity...")
vuln_severity = get_severity_by_score(0)
else:
for rating in vulnerability["ratings"]:
if "severity" in rating:
rating_vuln_severity = rating["severity"]
if rating_vuln_severity.lower() in VALID_SEVERITIES:
vuln_severity = rating_vuln_severity.lower()
if "score" in rating:
vuln_score = float(rating["score"])
if "vector" in rating:
vuln_vector = rating["vector"]
break
if "score" in rating:
vuln_severity = get_severity_by_score(rating["score"])
vuln_score = float(rating["score"])
if "vector" in rating:
vuln_vector = rating["vector"]
break
if vuln_severity is None:
custom_print(f"WARNING: could not detect severity of vulnerability with id '{vulnerability['id']}'. I'll set a default 'INFORMATION' severity...")
vuln_severity = get_severity_by_score(0)
return vuln_id, vuln_severity, vuln_score, vuln_vector
bom_ref_cache = {}
def get_bom_ref(component_json, all_bom_refs):
global bom_ref_cache
if "bom-ref" in component_json:
bom_ref = component_json["bom-ref"]
return bom_ref
else:
if 'version' not in component_json:
component_json['version'] = ""
bom_ref_cache_key = f"{component_json['name']} - {component_json['version']}"
if bom_ref_cache_key in bom_ref_cache:
return bom_ref_cache[f"{component_json['name']} - {component_json['version']}"]
custom_print(f"WARNING: component with name '{component_json['name']}' and version '{component_json['version']}' does not have a 'bom-ref'. I'll search for a match...")
for potential_bom_ref in all_bom_refs:
guessed_name_01 = f'{component_json["name"]}@{component_json["version"]}'
guessed_name_02 = f'{component_json["name"]}::{component_json["version"]}'
guessed_name_03 = f'{component_json["name"]}:{component_json["version"]}'
for test in [guessed_name_01, guessed_name_02, guessed_name_03]:
if potential_bom_ref.endswith(f"/{test}"):
custom_print(f"Match found: {potential_bom_ref}")
bom_ref_cache[bom_ref_cache_key] = potential_bom_ref
return potential_bom_ref
if potential_bom_ref.endswith(f"/{test}:"):
custom_print(f"Match found: {potential_bom_ref}")
bom_ref_cache[bom_ref_cache_key] = potential_bom_ref
return potential_bom_ref
if potential_bom_ref.endswith(f":{test}"):
bom_ref_cache[bom_ref_cache_key] = potential_bom_ref
custom_print(f"Match found: {potential_bom_ref}")
return potential_bom_ref
if potential_bom_ref.endswith(f":{test}:"):
bom_ref_cache[bom_ref_cache_key] = potential_bom_ref
custom_print(f"Match found: {potential_bom_ref}")
return potential_bom_ref
# another try with version not in the end of the string
number_of_results = 0
result = None
for potential_bom_ref in all_bom_refs:
guessed_name_01 = f'{component_json["name"]}@{component_json["version"]}'
guessed_name_02 = f'{component_json["name"]}::{component_json["version"]}'
guessed_name_03 = f'{component_json["name"]}:{component_json["version"]}'
for test in [guessed_name_01, guessed_name_02, guessed_name_03]:
if f"/{test}:" in potential_bom_ref:
number_of_results += 1
result = potential_bom_ref
elif f":{test}:" in potential_bom_ref:
number_of_results += 1
result = potential_bom_ref
if number_of_results == 1: # I want just one result, otherwise it means the sbom is ambiguous and I can't make any educated guess
bom_ref_cache[bom_ref_cache_key] = result
return result
custom_print(f"Match not found. I'll create a fake one.")
bom_ref = f"{hash(json.dumps(component_json, sort_keys=True, cls=SetEncoder))}"
bom_ref_cache[bom_ref_cache_key] = bom_ref
return bom_ref
def create_or_update_bom_ref_entry(bom_refs, component):
if component["bom-ref"] not in bom_refs:
bom_refs[component["bom-ref"]] = {"name": component["name"] if "name" in component else "-",
"version": component["version"] if "version" in component else "-"}
else:
if bom_refs[component["bom-ref"]]["name"] == "-" and "name" in component:
bom_refs[component["bom-ref"]]["name"] = component["name"]
if bom_refs[component["bom-ref"]]["version"] == "-" and "version" in component:
bom_refs[component["bom-ref"]]["version"] = component["version"]
def normalize_bom_ref(bom_refs, bom_ref, only_valid_components=True):
for component_bom_ref, component_data in bom_refs.items():
if only_valid_components is False:
if bom_ref == component_bom_ref:
return bom_ref
else:
if bom_ref == component_bom_ref and component_data["name"] != "-" and component_data["version"] != "-":
return bom_ref
for component_bom_ref, component_data in bom_refs.items():
# look with version
guessed_name_01 = f'{component_data["name"]}@{component_data["version"]}'
guessed_name_02 = f'{component_data["name"]}::{component_data["version"]}'
guessed_name_03 = f'{component_data["name"]}:{component_data["version"]}'
for test in [guessed_name_01, guessed_name_02, guessed_name_03]:
if bom_ref.endswith(f"/{test}"):
return bom_ref
if bom_ref.endswith(f"/{test}:"):
return bom_ref
if bom_ref.endswith(f":{test}"):
return bom_ref
if bom_ref.endswith(f":{test}:"):
return bom_ref
# another try with version not in the end of the string
number_of_results = 0
result = None
for component_bom_ref, component_data in bom_refs.items():
guessed_name_01 = f'{component_data["name"]}@{component_data["version"]}'
guessed_name_02 = f'{component_data["name"]}::{component_data["version"]}'
guessed_name_03 = f'{component_data["name"]}:{component_data["version"]}'
for test in [guessed_name_01, guessed_name_02, guessed_name_03]:
if f"/{test}:" in bom_ref:
number_of_results += 1
result = component_bom_ref
elif f":{test}:" in bom_ref: