juanatsap
533 lines
14 KiB
Plaintext
533 lines
14 KiB
Plaintext
package handlers
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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"github.com/juanatsap/cv-site/internal/models"
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"github.com/juanatsap/cv-site/internal/pdf"
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"github.com/juanatsap/cv-site/internal/templates"
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)
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// CVHandler handles CV-related requests
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type CVHandler struct {
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templates *templates.Manager
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pdfGenerator *pdf.Generator
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serverAddr string
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}
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// NewCVHandler creates a new CV handler
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func NewCVHandler(tmpl *templates.Manager, serverAddr string) *CVHandler {
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return &CVHandler{
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templates: tmpl,
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pdfGenerator: pdf.NewGenerator(30 * time.Second),
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serverAddr: serverAddr,
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}
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}
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// Home renders the full CV page
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func (h *CVHandler) Home(w http.ResponseWriter, r *http.Request) {
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// Get language from query parameter, default to English
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lang := r.URL.Query().Get("lang")
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if lang == "" {
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lang = "en"
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}
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// Validate language
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if lang != "en" && lang != "es" {
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HandleError(w, r, BadRequestError("Unsupported language. Use 'en' or 'es'"))
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return
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}
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// Load CV data
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cv, err := models.LoadCV(lang)
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if err != nil {
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HandleError(w, r, DataLoadError(err, "CV"))
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return
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}
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// Load UI translations
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ui, err := models.LoadUI(lang)
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if err != nil {
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HandleError(w, r, DataLoadError(err, "UI"))
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return
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}
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// Calculate duration for each experience
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for i := range cv.Experience {
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cv.Experience[i].Duration = calculateDuration(
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cv.Experience[i].StartDate,
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cv.Experience[i].EndDate,
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cv.Experience[i].Current,
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lang,
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)
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}
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// Process projects for dynamic dates
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for i := range cv.Projects {
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processProjectDates(&cv.Projects[i], lang)
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}
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// Split skills between left and right sidebars
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skillsLeft, skillsRight := splitSkills(cv.Skills.Technical)
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// Calculate years of experience
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yearsOfExperience := calculateYearsOfExperience()
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// Get current year
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currentYear := time.Now().Year()
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// Prepare template data
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data := map[string]interface{}{
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"CV": cv,
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"UI": ui,
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"Lang": lang,
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"SkillsLeft": skillsLeft,
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"SkillsRight": skillsRight,
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"YearsOfExperience": yearsOfExperience,
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"CurrentYear": currentYear,
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}
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// Render template
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tmpl, err := h.templates.Render("index.html")
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if err != nil {
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HandleError(w, r, TemplateError(err, "index.html"))
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return
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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if err := tmpl.Execute(w, data); err != nil {
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HandleError(w, r, TemplateError(err, "index.html"))
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return
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}
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}
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// CVContent renders just the CV content for HTMX swaps
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func (h *CVHandler) CVContent(w http.ResponseWriter, r *http.Request) {
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// Get language from query parameter
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lang := r.URL.Query().Get("lang")
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if lang == "" {
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lang = "en"
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}
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// Validate language
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if lang != "en" && lang != "es" {
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HandleError(w, r, BadRequestError("Unsupported language. Use 'en' or 'es'"))
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return
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}
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// Load CV data
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cv, err := models.LoadCV(lang)
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if err != nil {
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HandleError(w, r, DataLoadError(err, "CV"))
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return
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}
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// Load UI translations
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ui, err := models.LoadUI(lang)
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if err != nil {
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HandleError(w, r, DataLoadError(err, "UI"))
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return
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}
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// Calculate duration for each experience
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for i := range cv.Experience {
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cv.Experience[i].Duration = calculateDuration(
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cv.Experience[i].StartDate,
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cv.Experience[i].EndDate,
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cv.Experience[i].Current,
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lang,
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)
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}
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// Process projects for dynamic dates
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for i := range cv.Projects {
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processProjectDates(&cv.Projects[i], lang)
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}
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// Split skills between left and right sidebars
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skillsLeft, skillsRight := splitSkills(cv.Skills.Technical)
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// Calculate years of experience
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yearsOfExperience := calculateYearsOfExperience()
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// Get current year
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currentYear := time.Now().Year()
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// Prepare template data
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data := map[string]interface{}{
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"CV": cv,
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"UI": ui,
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"Lang": lang,
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"SkillsLeft": skillsLeft,
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"SkillsRight": skillsRight,
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"YearsOfExperience": yearsOfExperience,
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"CurrentYear": currentYear,
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}
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// Render template
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tmpl, err := h.templates.Render("cv-content.html")
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if err != nil {
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HandleError(w, r, TemplateError(err, "cv-content.html"))
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return
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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if err := tmpl.Execute(w, data); err != nil {
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HandleError(w, r, TemplateError(err, "cv-content.html"))
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return
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}
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}
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// ExportPDF handles PDF export requests using chromedp
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// TEMPORARILY DISABLED - Work in progress
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func (h *CVHandler) ExportPDF(w http.ResponseWriter, r *http.Request) {
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// Get language from query parameter
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lang := r.URL.Query().Get("lang")
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if lang == "" {
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lang = "en"
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}
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// Validate language
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if lang != "en" && lang != "es" {
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HandleError(w, r, BadRequestError("Unsupported language. Use 'en' or 'es'"))
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return
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}
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log.Printf("PDF export requested but temporarily disabled (redirecting to print friendly)")
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// Return HTML with message and redirect to print friendly
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message := "PDF Export - Work in Progress"
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body := "The PDF export feature is currently being improved. Please use the <strong>Print Friendly</strong> button instead (Ctrl+P or Cmd+P to save as PDF)."
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if lang == "es" {
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message = "Exportación PDF - En Desarrollo"
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body = "La función de exportación a PDF está siendo mejorada. Por favor, usa el botón <strong>Imprimir Amigable</strong> en su lugar (Ctrl+P o Cmd+P para guardar como PDF)."
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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redirectMsg := "Redirecting in 5 seconds..."
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if lang == "es" {
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redirectMsg = "Redirigiendo en 5 segundos..."
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}
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html := fmt.Sprintf(`<!DOCTYPE html>
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<html lang="%s">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>%s</title>
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<style>
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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display: flex;
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justify-content: center;
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align-items: center;
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min-height: 100vh;
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margin: 0;
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background: linear-gradient(135deg, #667eea 0%%, #764ba2 100%%);
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}
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.container {
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background: white;
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padding: 3rem;
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border-radius: 12px;
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box-shadow: 0 20px 60px rgba(0,0,0,0.3);
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max-width: 500px;
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text-align: center;
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}
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h1 {
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color: #333;
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margin: 0 0 1rem 0;
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font-size: 1.8rem;
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}
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p {
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color: #666;
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line-height: 1.6;
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margin: 1rem 0;
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}
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.redirect-info {
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margin-top: 2rem;
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padding: 1rem;
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background: #f0f4ff;
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border-radius: 8px;
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font-size: 0.9rem;
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color: #555;
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}
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.icon {
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font-size: 3rem;
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margin-bottom: 1rem;
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}
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</style>
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<script>
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setTimeout(function() {
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window.location.href = '/?lang=%s';
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}, 5000);
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</script>
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</head>
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<body>
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<div class="container">
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<div class="icon">🚧</div>
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<h1>%s</h1>
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<p>%s</p>
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<div class="redirect-info">
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%s
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</div>
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</div>
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</body>
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</html>`, lang, message, lang, message, body, redirectMsg)
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if _, err := w.Write([]byte(html)); err != nil {
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log.Printf("Error writing response: %v", err)
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}
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}
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// splitSkills splits skill categories between left (page 1) and right (page 2) sidebars
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// Each category explicitly specifies which sidebar it belongs to via the "sidebar" field
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func splitSkills(skills []models.SkillCategory) (left, right []models.SkillCategory) {
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if len(skills) == 0 {
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return nil, nil
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}
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// Filter by sidebar field
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for _, skill := range skills {
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if skill.Sidebar == "right" {
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right = append(right, skill)
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} else {
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// Default to left if not specified or if set to "left"
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left = append(left, skill)
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}
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}
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return left, right
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}
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// calculateYearsOfExperience calculates years of experience since April 1, 2005
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// This matches the original React implementation that calculated from 01/04/2005
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func calculateYearsOfExperience() int {
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// First day at work: April 1, 2005
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firstDay := time.Date(2005, time.April, 1, 9, 0, 0, 0, time.UTC)
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// Current date
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now := time.Now()
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// Calculate the difference in years
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years := now.Year() - firstDay.Year()
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// Adjust if we haven't reached the anniversary this year yet
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if now.Month() < firstDay.Month() ||
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(now.Month() == firstDay.Month() && now.Day() < firstDay.Day()) {
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years--
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}
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return years
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}
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// calculateDuration calculates the duration between two dates in years and months
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// Date format expected: "YYYY-MM" (e.g., "2021-01")
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// Returns a formatted string like "3 years 6 months" or "6 months"
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func calculateDuration(startDate, endDate string, current bool, lang string) string {
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// Parse start date
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start, err := time.Parse("2006-01", startDate)
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if err != nil {
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return ""
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}
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// Determine end date
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var end time.Time
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if current {
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end = time.Now()
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} else {
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end, err = time.Parse("2006-01", endDate)
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if err != nil {
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return ""
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}
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}
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// Calculate total months
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totalMonths := (end.Year()-start.Year())*12 + int(end.Month()-start.Month())
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// If end date is before start date, return empty
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if totalMonths < 0 {
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return ""
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}
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years := totalMonths / 12
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months := totalMonths % 12
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// Format the duration string based on language
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var result string
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if lang == "es" {
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if years > 0 && months > 0 {
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yearStr := "años"
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if years == 1 {
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yearStr = "año"
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}
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monthStr := "meses"
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if months == 1 {
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monthStr = "mes"
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}
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result = fmt.Sprintf("(%d %s %d %s)", years, yearStr, months, monthStr)
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} else if years > 0 {
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yearStr := "años"
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if years == 1 {
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yearStr = "año"
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}
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result = fmt.Sprintf("(%d %s)", years, yearStr)
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} else {
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monthStr := "meses"
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if months == 1 {
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monthStr = "mes"
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}
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result = fmt.Sprintf("(%d %s)", months, monthStr)
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}
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} else {
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if years > 0 && months > 0 {
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yearStr := "years"
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if years == 1 {
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yearStr = "year"
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}
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monthStr := "months"
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if months == 1 {
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monthStr = "month"
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}
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result = fmt.Sprintf("(%d %s %d %s)", years, yearStr, months, monthStr)
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} else if years > 0 {
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yearStr := "years"
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if years == 1 {
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yearStr = "year"
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}
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result = fmt.Sprintf("(%d %s)", years, yearStr)
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} else {
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monthStr := "months"
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if months == 1 {
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monthStr = "month"
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}
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result = fmt.Sprintf("(%d %s)", months, monthStr)
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}
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}
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return result
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}
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// processProjectDates calculates dynamic dates for projects
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// If a project has a gitRepoUrl, it fetches the first commit date
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// For current projects, it sets the current system date
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func processProjectDates(project *models.Project, lang string) {
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now := time.Now()
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// Set dynamic current date for ongoing projects
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if project.Current {
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if lang == "es" {
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project.DynamicDate = "Presente"
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} else {
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project.DynamicDate = "Present"
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}
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}
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// If project has a git repository URL, fetch the first commit date
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if project.GitRepoUrl != "" {
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commitDate := getGitRepoFirstCommitDate(project.GitRepoUrl)
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if commitDate != "" {
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project.ComputedStartDate = commitDate
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}
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}
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// If no computed date and no static date, use current date for current projects
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if project.ComputedStartDate == "" && project.StartDate == "" && project.Current {
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project.ComputedStartDate = now.Format("2006-01")
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}
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// If we have a computed date but no static date, use the computed one
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if project.ComputedStartDate != "" && project.StartDate == "" {
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project.StartDate = project.ComputedStartDate
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}
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}
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// validateRepoPath validates that a repository path is safe to use
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// Security: Prevents path traversal and command injection attacks
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// Only allows paths within the project directory
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func validateRepoPath(path string) error {
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// Resolve to absolute path to prevent path traversal
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absPath, err := filepath.Abs(path)
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if err != nil {
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return fmt.Errorf("invalid path: %w", err)
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}
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// Get project root directory
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projectRoot, err := filepath.Abs(".")
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if err != nil {
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return fmt.Errorf("cannot determine project root: %w", err)
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}
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// Security check: Only allow paths within project directory
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// This prevents malicious paths like "../../../etc/passwd"
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if !strings.HasPrefix(absPath, projectRoot) {
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return fmt.Errorf("repository path outside project directory: %s", path)
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}
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// Verify path exists and is a directory
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info, err := os.Stat(absPath)
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if err != nil {
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return fmt.Errorf("path does not exist: %w", err)
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}
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if !info.IsDir() {
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return fmt.Errorf("path is not a directory: %s", path)
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}
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return nil
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}
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// getGitRepoFirstCommitDate fetches the first commit date from a git repository
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// Supports local git repository paths
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// Security: Validates path and uses timeout to prevent hanging
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func getGitRepoFirstCommitDate(repoPath string) string {
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// Security: Validate repository path before executing git command
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if err := validateRepoPath(repoPath); err != nil {
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log.Printf("Security: Rejected git operation for invalid path %s: %v", repoPath, err)
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return ""
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}
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// Security: Add timeout context to prevent hanging
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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// Execute git command with timeout protection
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// Using CommandContext for automatic cancellation on timeout
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cmd := exec.CommandContext(ctx, "git", "-C", repoPath, "log", "--reverse", "--format=%ci", "--date=format:%Y-%m")
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output, err := cmd.Output()
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if err != nil {
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// Log error but don't expose details to prevent information disclosure
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log.Printf("Git command failed for path %s: %v", repoPath, err)
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return ""
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}
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// Parse the output to get the first commit date
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lines := strings.Split(strings.TrimSpace(string(output)), "\n")
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if len(lines) == 0 {
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return ""
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}
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// Extract YYYY-MM from the first commit timestamp
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// Format of output: "2024-06-15 10:30:45 +0200"
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firstLine := lines[0]
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parts := strings.Fields(firstLine)
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if len(parts) > 0 {
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datePart := parts[0] // "2024-06-15"
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dateParts := strings.Split(datePart, "-")
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if len(dateParts) >= 2 {
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return dateParts[0] + "-" + dateParts[1] // "2024-06"
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}
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}
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return ""
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}
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