Snyk report to identify branches impacted by a CVE

Closes #29813

Signed-off-by: Bruno Oliveira da Silva <bruno@abstractj.com>

.github/scripts/snyk-report.sh

@@ -1,7 +1,14 @@
 #!/bin/bash -e
 
 KEYCLOAK_REPO="keycloak/keycloak"
-# Prevent duplicates by checking if a similar title exists
+BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)
+
+# Extract the version number if BRANCH_NAME contains a slash
+if [[ $BRANCH_NAME == *\/* ]]; then
+    BRANCH_NAME=$(echo $BRANCH_NAME | grep -oP '\d+\.\d+')
+fi
+
+# Prevent duplicates by checking if a similar CVE ID exists
 check_github_issue_exists() {
     local issue_title="$1"
     # Extract the CVE ID
@@ -13,10 +20,11 @@ check_github_issue_exists() {
     # Check for bad credentials
     if printf "%s" "$response" | jq -e '.message == "Bad credentials"' > /dev/null; then
         printf "Error: Bad credentials\n%s\n" "$response"
+        echo "Error: Bad credentials. Aborting script."
         exit 1
     fi
 
-    # Check if we reached GitHub rate limiting
+    # Check for rate limiting
     if printf "%s" "$response" | jq -e '.message == "API rate limit exceeded"' > /dev/null; then
         printf "Error: API rate limit exceeded\n%s\n" "$response"
         exit 1
@@ -29,9 +37,10 @@ check_github_issue_exists() {
     fi
 
     if [[ $count -gt 0 ]]; then
-        return 0  
+        local issue_id=$(echo "$response" | jq -r '.items[0].number')
+        echo "$issue_id"
     else
-        return 1 
+        echo "1"
     fi
 }
 
@@ -41,8 +50,8 @@ create_github_issue() {
     local body="$2"
 
     local api_url="https://api.github.com/repos/$KEYCLOAK_REPO/issues"
-    local data=$(jq -n --arg title "$title" --arg body "$body" \
-                 '{title: $title, body: $body, labels: ["status/triage", "kind/cve", "kind/bug"]}')
+    local data=$(jq -n --arg title "$title" --arg body "$body" --arg branch "backport/$BRANCH_NAME" \
+                 '{title: $title, body: $body, labels: ["status/triage", "kind/cve", "kind/bug", $branch]}')
     local response=$(curl -s -w "%{http_code}" -X POST -H "Authorization: token $GITHUB_TOKEN" -H "Content-Type: application/json" -d "$data" "$api_url")
     local http_code=$(echo "$response" | tail -n1)
 
@@ -54,12 +63,31 @@ create_github_issue() {
     fi
 }
 
+# Update existing issue based on the branches affected
+update_github_issue() {
+    local issue_id="$1"
+    local api_url="https://api.github.com/repos/$KEYCLOAK_REPO/issues/$issue_id"
+    local existing_labels=$(curl -s -H "Authorization: token $GITHUB_TOKEN" -H "Accept: application/vnd.github.v3+json" "$api_url" | jq '.labels | .[].name' | jq -s .)
+    local new_label="backport/$BRANCH_NAME"
+    local updated_labels=$(echo "$existing_labels" | jq --arg new_label "$new_label" '. + [$new_label] | unique')
+    local data=$(jq -n --argjson labels "$updated_labels" '{labels: $labels}')
+    local response=$(curl -s -w "%{http_code}" -X PATCH -H "Authorization: token $GITHUB_TOKEN" -H "Content-Type: application/json" -d "$data" "$api_url")
+    local http_code=$(echo "$response" | tail -n1)
+
+    if [[ $http_code -eq 200 ]]; then
+        return 0
+    else
+        printf "Issue update failed with status: %s\n" "$http_code"
+        exit 1
+    fi
+}
+
 check_dependencies() {
     command -v jq >/dev/null 2>&1 || { echo >&2 "jq is required. Exiting."; exit 1; }
 }
 
 # Parse the CVE report coming from SNYK
-parse_and_print_vulnerabilities() {
+parse_and_process_vulnerabilities() {
     jq -c '.vulnerabilities[] | select(.type != "license")' | while IFS= read -r vulnerability; do
         local cve_title=$(echo "$vulnerability" | jq -r '(.identifiers.CVE[0] // .id) + " - " + (.title // "N/A")')
         local module=$(echo "$vulnerability" | jq -r '((.mavenModuleName.groupId // "unknown") + ":" + (.mavenModuleName.artifactId // "unknown"))')
@@ -68,8 +96,11 @@ parse_and_print_vulnerabilities() {
         local description=$(echo "$vulnerability" | jq -r '.description // "N/A"')
 
         printf -v body "%s\n%s\n%s\n%s" "$title" "$module" "$from_path" "$description"
-        if ! check_github_issue_exists "$cve_title"; then
+        issue_id=$(check_github_issue_exists "$cve_title")
+        if [[ $issue_id -eq 1 ]]; then
             create_github_issue "$title" "$body"
+        else
+            update_github_issue "$issue_id"
         fi
     done
 }
@@ -82,7 +113,7 @@ main() {
         echo "Usage: cat snyk-report.json | $0"
         exit 1
     else
-        parse_and_print_vulnerabilities
+        parse_and_process_vulnerabilities
     fi
 }