commit 34a523fa7c9b27737e52106e98cd0ed650e4eafc
Author: skidoodle <contact@albert.lol>
Date:   Tue Dec 31 01:50:12 2024 +0100

    first commit

diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..bb2865e
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,4 @@
+NICK=
+# pass= from Set-Cookie header in lower security mode
+# set-cookie: pass=<...>; ...
+PASS=
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..11ee758
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.env.local
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..278c658
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,12 @@
+module scrapencore
+
+go 1.23
+
+toolchain go1.23.2
+
+require (
+	github.com/PuerkitoBio/goquery v1.10.0 // indirect
+	github.com/andybalholm/cascadia v1.3.2 // indirect
+	github.com/joho/godotenv v1.5.1 // indirect
+	golang.org/x/net v0.30.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..367fe40
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,42 @@
+github.com/PuerkitoBio/goquery v1.10.0 h1:6fiXdLuUvYs2OJSvNRqlNPoBm6YABE226xrbavY5Wv4=
+github.com/PuerkitoBio/goquery v1.10.0/go.mod h1:TjZZl68Q3eGHNBA8CWaxAN7rOU1EbDz3CWuolcO5Yu4=
+github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss=
+github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
+golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
+golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..257e1db
--- /dev/null
+++ b/main.go
@@ -0,0 +1,132 @@
+package main
+
+import (
+	"encoding/csv"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/joho/godotenv"
+)
+
+const (
+	baseURL      = "https://ncore.pro/profile.php?id="
+	startProfile = 1
+	endProfile   = 1812000
+	concurrency  = 50
+	outputFile   = "output.log"
+)
+
+var (
+	nick   string
+	pass   string
+	client *http.Client
+	wg     sync.WaitGroup
+	mu     sync.Mutex
+)
+
+func init() {
+	_ = godotenv.Load(".env.local")
+	godotenv.Load()
+	nick = os.Getenv("NICK")
+	pass = os.Getenv("PASS")
+	client = &http.Client{}
+}
+
+func fetchProfile(id int) {
+	defer wg.Done()
+	url := fmt.Sprintf("%s%d", baseURL, id)
+
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Printf("Error creating request for %d: %v\n", id, err)
+		return
+	}
+	req.Header.Set("Cookie", fmt.Sprintf("nick=%s; pass=%s", nick, pass))
+
+	resp, err := client.Do(req)
+	if err != nil {
+		log.Printf("Error fetching profile %d: %v\n", id, err)
+		return
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return
+	}
+
+	doc, err := goquery.NewDocumentFromReader(resp.Body)
+	if err != nil {
+		log.Printf("Error parsing profile document for %d: %v\n", id, err)
+		return
+	}
+
+	doc.Find(".userbox_tartalom_mini").Each(func(i int, s *goquery.Selection) {
+		s.Find(".profil_jobb_elso2").Each(func(ii int, labelSel *goquery.Selection) {
+			label := labelSel.Text()
+			valueSel := labelSel.Next()
+			if valueSel.Length() > 0 {
+				value := valueSel.Text()
+				switch label {
+				case "Helyezés:":
+					rank := strings.TrimSuffix(value, ".")
+					mu.Lock()
+					logToFile(url, rank)
+					mu.Unlock()
+					fmt.Printf("\rProcessed %d/%d profiles...", id, endProfile)
+				}
+			}
+		})
+	})
+}
+
+func logToFile(url string, rank string) {
+	file, err := os.OpenFile(outputFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		log.Fatalf("Error opening output file: %v\n", err)
+	}
+	defer file.Close()
+
+	writer := csv.NewWriter(file)
+	defer writer.Flush()
+
+	if err := writer.Write([]string{url, rank}); err != nil {
+		log.Fatalf("Error writing to output file: %v\n", err)
+	}
+}
+
+func main() {
+	if _, err := os.Stat(outputFile); err == nil {
+		var response string
+		fmt.Printf("Output file %s already exists. Overwrite? (yes/no): ", outputFile)
+		fmt.Scanln(&response)
+		if response != "yes" {
+			log.Println("Exiting. Please rename or remove the existing output file.")
+			return
+		}
+		err := os.Remove(outputFile)
+		if err != nil {
+			log.Fatalf("Failed to remove existing output file: %v\n", err)
+		}
+	}
+
+	fmt.Println("Scraping in progress...")
+	startTime := time.Now()
+
+	for i := startProfile; i <= endProfile; i++ {
+		wg.Add(1)
+		go fetchProfile(i)
+
+		if i%concurrency == 0 {
+			wg.Wait()
+		}
+	}
+	wg.Wait()
+	elapsedTime := time.Since(startTime)
+	fmt.Printf("\nScraping completed in %s\n", elapsedTime)
+}