mirror of
https://github.com/rocky-linux/peridot.git
synced 2024-11-01 12:41:24 +00:00
237 lines
7.4 KiB
Go
237 lines
7.4 KiB
Go
// Copyright (c) All respective contributors to the Peridot Project. All rights reserved.
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// Copyright (c) 2021-2022 Rocky Enterprise Software Foundation, Inc. All rights reserved.
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// Copyright (c) 2021-2022 Ctrl IQ, Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors
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// may be used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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package rherrata
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import (
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"errors"
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"fmt"
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"github.com/PuerkitoBio/goquery"
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"github.com/gocolly/colly/v2"
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apollopb "peridot.resf.org/apollo/pb"
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"strings"
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"time"
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)
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type Architecture string
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const (
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ArchX8664 Architecture = "x86_64"
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ArchAArch64 Architecture = "aarch64"
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ArchPPC64 Architecture = "ppc64le"
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ArchS390X Architecture = "s390x"
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ArchNoArch Architecture = "noarch"
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)
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type Fix struct {
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BugzillaID string
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Description string
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}
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type UpdatedPackages struct {
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SRPMs []string
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Packages map[Architecture][]string
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}
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type Errata struct {
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Synopsis string
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Type apollopb.Advisory_Type
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Severity apollopb.Advisory_Severity
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Topic []string
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Description []string
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Solution []string
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AffectedProducts map[string]*UpdatedPackages
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Fixes []*Fix
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CVEs []string
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References []string
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IssuedAt time.Time
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}
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func (a *API) GetErrata(advisory string) (*Errata, error) {
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var err error
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var errata Errata
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c := colly.NewCollector(colly.UserAgent(a.userAgent))
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// Do not fix this typo. It is like this on Red Hat's website
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c.OnHTML("div#synpopsis", func(element *colly.HTMLElement) {
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errata.Synopsis = element.DOM.Find("p").Text()
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})
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c.OnHTML("div#topic > p", func(element *colly.HTMLElement) {
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errata.Topic = append(errata.Topic, element.Text)
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})
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c.OnHTML("div#solution > p", func(element *colly.HTMLElement) {
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errata.Solution = append(errata.Solution, element.Text)
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})
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c.OnHTML("div#fixes > ul > li", func(element *colly.HTMLElement) {
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fixComponents := strings.SplitN(element.Text, "-", 3)
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if len(fixComponents) != 3 {
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return
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}
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for i, comp := range fixComponents {
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fixComponents[i] = strings.TrimSpace(comp)
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}
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fix := &Fix{
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BugzillaID: fixComponents[1],
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Description: fixComponents[2],
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}
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errata.Fixes = append(errata.Fixes, fix)
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})
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c.OnHTML("div#cves > ul > li", func(element *colly.HTMLElement) {
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errata.CVEs = append(errata.CVEs, strings.TrimSpace(element.Text))
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})
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c.OnHTML("div#references > ul > li", func(element *colly.HTMLElement) {
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errata.References = append(errata.References, strings.TrimSpace(element.Text))
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})
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c.OnHTML("dl.details", func(element *colly.HTMLElement) {
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issuedAt, err := time.Parse("2006-01-02", element.DOM.Find("dd").First().Text())
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if err == nil {
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errata.IssuedAt = issuedAt
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}
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})
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c.OnHTML("div#packages", func(element *colly.HTMLElement) {
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productIndex := map[int]string{}
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products := map[string]*UpdatedPackages{}
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element.DOM.Find("h2").Each(func(i int, selection *goquery.Selection) {
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productIndex[i] = selection.Text()
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products[selection.Text()] = &UpdatedPackages{}
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})
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element.DOM.Find("table.files").Each(func(i int, selection *goquery.Selection) {
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productUpdate := products[productIndex[i]]
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if productUpdate.Packages == nil {
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productUpdate.Packages = map[Architecture][]string{}
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}
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selection.Find("td.name").Each(func(_ int, selection *goquery.Selection) {
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name := strings.TrimSpace(selection.Text())
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isRpm := strings.HasSuffix(name, ".rpm")
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isSrcRpm := strings.HasSuffix(name, ".src.rpm")
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if isRpm {
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if isSrcRpm {
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productUpdate.SRPMs = append(productUpdate.SRPMs, name)
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} else {
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var arch Architecture
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if strings.Contains(name, ".x86_64") || strings.Contains(name, ".i686") {
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arch = ArchX8664
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} else if strings.Contains(name, ".aarch64") {
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arch = ArchAArch64
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} else if strings.Contains(name, ".ppc64le") {
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arch = ArchPPC64
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} else if strings.Contains(name, ".s390x") {
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arch = ArchS390X
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} else if strings.Contains(name, ".noarch") {
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arch = ArchNoArch
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}
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if productUpdate.Packages[arch] == nil {
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productUpdate.Packages[arch] = []string{}
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}
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productUpdate.Packages[arch] = append(productUpdate.Packages[arch], name)
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}
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}
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})
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errata.AffectedProducts = products
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})
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})
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c.OnHTML("div#description > p", func(element *colly.HTMLElement) {
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htmlText, err := element.DOM.Html()
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if err != nil {
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return
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}
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htmlText = strings.TrimSuffix(htmlText, "<br/>")
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if element.Text == "Security Fix(es):" || element.Text == "Bug Fix(es) and Enhancement(s):" || element.Text == "Bug Fix(es):" || element.Text == "Enhancement(s):" {
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return
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}
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errata.Description = append(errata.Description, strings.Split(htmlText, "<br/>")...)
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})
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c.OnHTML("div#type-severity", func(element *colly.HTMLElement) {
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typeSeverity := strings.Split(element.DOM.Find("p").Text(), ":")
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if typeSeverity[0] == "Product Enhancement Advisory" {
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errata.Type = apollopb.Advisory_TYPE_ENHANCEMENT
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} else if typeSeverity[0] == "Bug Fix Advisory" {
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errata.Type = apollopb.Advisory_TYPE_BUGFIX
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} else {
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if len(typeSeverity) != 2 {
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err = errors.New("invalid type/severity")
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return
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}
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typeSplit := strings.Split(typeSeverity[0], " ")
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if len(typeSplit) != 2 {
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err = errors.New("invalid type")
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return
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}
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switch strings.TrimSpace(typeSplit[0]) {
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case "Security":
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errata.Type = apollopb.Advisory_TYPE_SECURITY
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break
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case "BugFix":
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errata.Type = apollopb.Advisory_TYPE_BUGFIX
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break
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case "Enhancement":
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errata.Type = apollopb.Advisory_TYPE_ENHANCEMENT
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break
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}
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switch strings.TrimSpace(typeSeverity[1]) {
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case "Low":
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errata.Severity = apollopb.Advisory_SEVERITY_LOW
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break
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case "Moderate":
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errata.Severity = apollopb.Advisory_SEVERITY_MODERATE
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break
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case "Important":
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errata.Severity = apollopb.Advisory_SEVERITY_IMPORTANT
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break
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case "Critical":
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errata.Severity = apollopb.Advisory_SEVERITY_CRITICAL
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break
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}
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}
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})
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errC := c.Visit(fmt.Sprintf("%s/%s", a.baseURLErrata, advisory))
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if errC != nil {
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return nil, errC
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}
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c.Wait()
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if err != nil {
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return nil, err
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}
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return &errata, nil
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}
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