feat: improve command output display

cmd/scan/curl.go

@@ -3,9 +3,13 @@ package scan
 import (
 	"log"
 	"net/http"
+	"os"
 	"strings"
 
 	"github.com/cerberauth/vulnapi/scan"
+	"github.com/common-nighthawk/go-figure"
+	"github.com/fatih/color"
+	"github.com/olekukonko/tablewriter"
 	"github.com/spf13/cobra"
 )
 
@@ -24,6 +28,9 @@ func NewCURLScanCmd() (scanCmd *cobra.Command) {
 		FParseErrWhitelist: cobra.FParseErrWhitelist{
 			UnknownFlags: true,
 		},
+		PreRun: func(cmd *cobra.Command, args []string) {
+			figure.NewColorFigure("VulnAPI", "", "cyan", true).Print()
+		},
 		Run: func(cmd *cobra.Command, args []string) {
 			url = args[0]
 
@@ -47,20 +54,52 @@ func NewCURLScanCmd() (scanCmd *cobra.Command) {
 				log.Fatal(err)
 			}
 
-			rpr, _, err := scan.WithAllVulnsScans().WithAllBestPracticesScans().Execute()
+			reporter, _, err := scan.WithAllVulnsScans().WithAllBestPracticesScans().Execute()
 			if err != nil {
 				log.Fatal(err)
 			}
 
-			for _, r := range rpr.GetVulnerabilityReports() {
-				log.Println(r)
+			var outputColor *color.Color
+			var outputMessage string
+			var outputStream *os.File
+			if !reporter.HasVulnerability() {
+				outputColor = color.New(color.FgGreen)
+				outputMessage = "Congratulations! No issues were found."
+				outputStream = os.Stdout
+			} else if reporter.HasHighRiskSeverityVulnerability() {
+				outputColor = color.New(color.FgRed)
+				outputMessage = "Warning: Critical vulnerabilities detected!"
+				outputStream = os.Stderr
+			} else {
+				outputColor = color.New(color.FgYellow)
+				outputMessage = "Advice: There are some low-risk issues. It's advised to take a look."
+				outputStream = os.Stderr
 			}
 
-			if !rpr.HasVulnerability() {
-				log.Println("Congratulations! No vulnerability has been discovered!")
-			} else {
-				log.Fatalln("There is one or more vulnerabilies you should know.")
+			table := tablewriter.NewWriter(outputStream)
+			table.SetHeader([]string{"Risk Level", "Vulnerability", "Description"})
+
+			for _, v := range reporter.GetVulnerabilityReports() {
+				var lineColor int
+				if v.IsLowRiskSeverity() {
+					lineColor = tablewriter.BgBlueColor
+				} else if v.IsMediumRiskSeverity() {
+					lineColor = tablewriter.FgYellowColor
+				} else if v.IsHighRiskSeverity() {
+					lineColor = tablewriter.FgRedColor
+				}
+
+				table.Rich(
+					[]string{v.SeverityLevelString(), v.Name, v.Description},
+					[]tablewriter.Colors{
+						{tablewriter.Bold, lineColor},
+						{tablewriter.Normal, lineColor},
+						{tablewriter.Normal, tablewriter.FgWhiteColor}},
+				)
 			}
+
+			table.Render()
+			outputColor.Fprintln(outputStream, outputMessage)
 		},
 	}
 

go.mod

@@ -4,10 +4,12 @@ go 1.22
 
 require (
 	github.com/brianvoe/gofakeit/v6 v6.28.0
-	github.com/brianvoe/gofakeit/v7 v7.0.1
+	github.com/common-nighthawk/go-figure v0.0.0-20210622060536-734e95fb86be
+	github.com/fatih/color v1.16.0
 	github.com/getkin/kin-openapi v0.120.0
 	github.com/golang-jwt/jwt/v5 v5.2.0
 	github.com/jarcoal/httpmock v1.3.1
+	github.com/olekukonko/tablewriter v0.0.5
 	github.com/spf13/cobra v1.8.0
 	github.com/std-uritemplate/std-uritemplate/go v0.0.52
 	github.com/stretchr/testify v1.8.4
@@ -21,9 +23,13 @@ require (
 	github.com/invopop/yaml v0.2.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/perimeterx/marshmallow v1.1.5 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	golang.org/x/sys v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,11 +1,14 @@
 github.com/brianvoe/gofakeit/v6 v6.28.0 h1:Xib46XXuQfmlLS2EXRuJpqcw8St6qSZz75OUo0tgAW4=
 github.com/brianvoe/gofakeit/v6 v6.28.0/go.mod h1:Xj58BMSnFqcn/fAQeSK+/PLtC5kSb7FJIq4JyGa8vEs=
-github.com/brianvoe/gofakeit/v7 v7.0.1/go.mod h1:QXuPeBw164PJCzCUZVmgpgHJ3Llj49jSLVkKPMtxtxA=
+github.com/common-nighthawk/go-figure v0.0.0-20210622060536-734e95fb86be h1:J5BL2kskAlV9ckgEsNQXscjIaLiOYiZ75d4e94E6dcQ=
+github.com/common-nighthawk/go-figure v0.0.0-20210622060536-734e95fb86be/go.mod h1:mk5IQ+Y0ZeO87b858TlA645sVcEcbiX6YqP98kt+7+w=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
+github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
 github.com/getkin/kin-openapi v0.120.0 h1:MqJcNJFrMDFNc07iwE8iFC5eT2k/NPUFDIpNeiZv8Jg=
 github.com/getkin/kin-openapi v0.120.0/go.mod h1:PCWw/lfBrJY4HcdqE3jj+QFkaFK8ABoqo7PvqVhXXqw=
 github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE=
@@ -33,10 +36,19 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
 github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
+github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/maxatome/go-testdeep v1.12.0 h1:Ql7Go8Tg0C1D/uMMX59LAoYK7LffeJQ6X2T04nTH68g=
 github.com/maxatome/go-testdeep v1.12.0/go.mod h1:lPZc/HAcJMP92l7yI6TRz1aZN5URwUBUAfUNvrclaNM=
 github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 h1:RWengNIwukTxcDr9M+97sNutRR1RKhG96O6jWumTTnw=
 github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
+github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
+github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/perimeterx/marshmallow v1.1.5 h1:a2LALqQ1BlHM8PZblsDdidgv1mWi1DgC2UmX50IvK2s=
 github.com/perimeterx/marshmallow v1.1.5/go.mod h1:dsXbUu8CRzfYP5a87xpp0xq9S3u0Vchtcl8we9tYaXw=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -58,6 +70,10 @@ github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcU
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/ugorji/go/codec v1.2.7 h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0=
 github.com/ugorji/go/codec v1.2.7/go.mod h1:WGN1fab3R1fzQlVQTkfxVtIBhWDRqOviHU95kRgeqEY=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
+golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

report/vuln.go

@@ -1,6 +1,8 @@
 package report
 
-import "fmt"
+import (
+	"fmt"
+)
 
 type VulnerabilityReport struct {
 	SeverityLevel float64 // https://nvd.nist.gov/vuln-metrics/cvss
@@ -22,19 +24,19 @@ func (vr *VulnerabilityReport) IsHighRiskSeverity() bool {
 }
 
 func (vr *VulnerabilityReport) String() string {
-	return fmt.Sprintf("[%s][%s] %s: %s", severyLevelString(vr.SeverityLevel), vr.Name, vr.Url, vr.Description)
+	return fmt.Sprintf("[%s][%s] %s: %s", vr.SeverityLevelString(), vr.Name, vr.Url, vr.Description)
 }
 
-func severyLevelString(severityLevel float64) string {
-	if severityLevel >= 9 {
-		return "critical"
-	} else if severityLevel < 9 && severityLevel >= 7 {
-		return "high"
-	} else if severityLevel < 7 && severityLevel >= 4 {
-		return "medium"
-	} else if severityLevel < 4 && severityLevel >= 0.1 {
-		return "low"
+func (vr *VulnerabilityReport) SeverityLevelString() string {
+	if vr.SeverityLevel >= 9 {
+		return "Critical"
+	} else if vr.SeverityLevel < 9 && vr.SeverityLevel >= 7 {
+		return "High"
+	} else if vr.SeverityLevel < 7 && vr.SeverityLevel >= 4 {
+		return "Medium"
+	} else if vr.SeverityLevel < 4 && vr.SeverityLevel >= 0.1 {
+		return "Low"
 	} else {
-		return "none"
+		return "None"
 	}
 }

report/vuln_test.go

@@ -29,6 +29,29 @@ func TestVulnerabilityReport_String(t *testing.T) {
 		Description:   "This is a test vulnerability",
 		Url:           "https://example.com/vulnerability",
 	}
-	expected := "[high][Test Vulnerability] https://example.com/vulnerability: This is a test vulnerability"
+	expected := "[High][Test Vulnerability] https://example.com/vulnerability: This is a test vulnerability"
 	assert.Equal(t, expected, vr.String())
 }
+func TestVulnerabilityReport_SeverityLevelString(t *testing.T) {
+	vr := &report.VulnerabilityReport{}
+
+	// Test case for severity level >= 9
+	vr.SeverityLevel = 9.5
+	assert.Equal(t, "Critical", vr.SeverityLevelString())
+
+	// Test case for severity level < 9 and >= 7
+	vr.SeverityLevel = 7.5
+	assert.Equal(t, "High", vr.SeverityLevelString())
+
+	// Test case for severity level < 7 and >= 4
+	vr.SeverityLevel = 4.5
+	assert.Equal(t, "Medium", vr.SeverityLevelString())
+
+	// Test case for severity level < 4 and >= 0.1
+	vr.SeverityLevel = 0.5
+	assert.Equal(t, "Low", vr.SeverityLevelString())
+
+	// Test case for severity level < 0.1
+	vr.SeverityLevel = 0.05
+	assert.Equal(t, "None", vr.SeverityLevelString())
+}