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Diffstat (limited to 'cmd/iiifdownloader/main.go')
-rw-r--r--cmd/iiifdownloader/main.go49
1 files changed, 32 insertions, 17 deletions
diff --git a/cmd/iiifdownloader/main.go b/cmd/iiifdownloader/main.go
index 20c7ac8..537bead 100644
--- a/cmd/iiifdownloader/main.go
+++ b/cmd/iiifdownloader/main.go
@@ -1,6 +1,7 @@
package main
import (
+ "crypto/tls"
"encoding/json"
"encoding/xml"
"flag"
@@ -74,7 +75,7 @@ func filesAreIdentical(fn1, fn2 string) (bool, error) {
// parseMets downloads and parses an XML encoded METS file,
// returning a list of image URLs.
// Example URL: https://daten.digitale-sammlungen.de/~db/mets/bsb10132387_mets.xml
-func parseMets(u string) ([]string, error) {
+func parseMets(u string, c *http.Client) ([]string, error) {
var urls []string
// designed to be unmarshalled by encoding/xml's Unmarshal()
@@ -87,7 +88,7 @@ func parseMets(u string) ([]string, error) {
} `xml:"fileSec>fileGrp"`
}
- resp, err := http.Get(u)
+ resp, err := c.Get(u)
if err != nil {
return urls, fmt.Errorf("Error downloading mets %s: %v", u, err)
}
@@ -122,7 +123,7 @@ func parseMets(u string) ([]string, error) {
// parseIIIFManifest downloads and parses a JSON encoded IIIF
// Manifest file, returning a list of image URLs.
// Example URL: https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10132387/manifest
-func parseIIIFManifest(u string) ([]string, error) {
+func parseIIIFManifest(u string, c *http.Client) ([]string, error) {
var urls []string
// designed to be unmarshalled by encoding/json's Unmarshal()
@@ -138,7 +139,7 @@ func parseIIIFManifest(u string) ([]string, error) {
}
}
- resp, err := http.Get(u)
+ resp, err := c.Get(u)
if err != nil {
return urls, fmt.Errorf("Error downloading IIIF manifest %s: %v", u, err)
}
@@ -215,7 +216,7 @@ func urlToPgName(u string) string {
}
// dlPage downloads a page url to bookdir.
-func dlPage(bookdir, u string) error {
+func dlPage(bookdir, u string, c *http.Client) error {
name := urlToPgName(u)
fn := path.Join(bookdir, name)
@@ -227,7 +228,7 @@ func dlPage(bookdir, u string) error {
fmt.Printf("Downloading page %s to %s\n", u, fn)
- resp, err := http.Get(u)
+ resp, err := c.Get(u)
if err != nil {
return fmt.Errorf("Error downloading page %s: %v", u, err)
}
@@ -279,14 +280,14 @@ func dlPage(bookdir, u string) error {
// dlNoPgNums downloads all pages, starting from zero, until either
// a 404 is returned, or identical files are returned for two subsequent
// pages (the latter being the behaviour of BNF's server).
-func dlNoPgNums(bookdir, pgurlStart, pgurlEnd, pgurlAltStart, pgurlAltEnd string) error {
+func dlNoPgNums(bookdir, pgurlStart, pgurlEnd, pgurlAltStart, pgurlAltEnd string, c *http.Client) error {
pgnum := 0
for {
pgnum++
u := fmt.Sprintf("%s%d%s", pgurlStart, pgnum, pgurlEnd)
- err := dlPage(bookdir, u)
+ err := dlPage(bookdir, u, c)
if err != nil && strings.Index(err.Error(), "Error downloading page - 404 not found") == 0 {
fmt.Printf("Got 404, assuming end of pages, for page %d, %s\n", pgnum, u)
return nil
@@ -298,7 +299,7 @@ func dlNoPgNums(bookdir, pgurlStart, pgurlEnd, pgurlAltStart, pgurlAltEnd string
fmt.Printf("Trying to redownload page %d at lower quality\n", pgnum)
u = fmt.Sprintf("%s%d%s", pgurlAltStart, pgnum, pgurlAltEnd)
- err = dlPage(bookdir, u)
+ err = dlPage(bookdir, u, c)
}
if err != nil {
return fmt.Errorf("Error downloading page %d, %s: %v\n", pgnum, u, err)
@@ -361,6 +362,7 @@ func main() {
service := flag.String("service", "", "Force use of a specific service rather than autodetecting based on the URL (choose one of: bnf, bsb, mets, iiifmanifest)")
dir := flag.String("bookdir", "", "Save book pages to this directory")
forcemets := flag.Bool("mets", false, "Force METS metadata to be used (BSB / MDZ only)")
+ insecure := flag.Bool("insecure", false, "Ignore TLS errors")
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), usage)
flag.PrintDefaults()
@@ -381,6 +383,7 @@ func main() {
var noPgNums bool
var err error
var useservice string
+ var client *http.Client
if *dir != "" {
bookdir = *dir
@@ -397,7 +400,19 @@ func main() {
if bookdir == "" {
bookdir = "iiifbook"
}
- pgUrls, err = parseMets(u)
+ pgUrls, err = parseMets(u, client)
+ }
+
+ if *insecure {
+ client = &http.Client{
+ Transport: &http.Transport{
+ TLSClientConfig: &tls.Config{
+ InsecureSkipVerify: true,
+ },
+ },
+ }
+ } else {
+ client = http.DefaultClient
}
switch useservice {
@@ -439,9 +454,9 @@ func main() {
if *forcemets {
iiifurl = "https://daten.digitale-sammlungen.de/~db/mets/" + bookid + "_mets.xml"
- pgUrls, err = parseMets(iiifurl)
+ pgUrls, err = parseMets(iiifurl, client)
} else {
- pgUrls, err = parseIIIFManifest(iiifurl)
+ pgUrls, err = parseIIIFManifest(iiifurl, client)
}
if err != nil {
log.Fatalf("Error parsing manifest url %s: %v\n", iiifurl, err)
@@ -477,7 +492,7 @@ func main() {
bookdir = f[0]
}
- pgUrls, err = parseMets(metsurl)
+ pgUrls, err = parseMets(metsurl, client)
if err != nil {
log.Fatalf("Error parsing mets url %s: %v\n", metsurl, err)
}
@@ -485,7 +500,7 @@ func main() {
if bookdir == "" {
bookdir = "iiifbook"
}
- pgUrls, err = parseIIIFManifest(u)
+ pgUrls, err = parseIIIFManifest(u, client)
if err != nil {
log.Fatalf("Error parsing iiif manifest url %s: %v\n", u, err)
}
@@ -493,7 +508,7 @@ func main() {
if bookdir == "" {
bookdir = "metsbook"
}
- pgUrls, err = parseMets(u)
+ pgUrls, err = parseMets(u, client)
if err != nil {
log.Fatalf("Error parsing mets url %s: %v\n", u, err)
}
@@ -508,13 +523,13 @@ func main() {
if len(pgUrls) > 0 {
for _, v := range pgUrls {
- err = dlPage(bookdir, v)
+ err = dlPage(bookdir, v, client)
if err != nil {
log.Fatalf("Error downloading page: %v\n", err)
}
}
} else if noPgNums {
- err = dlNoPgNums(bookdir, pgurlStart, pgurlEnd, pgurlAltStart, pgurlAltEnd)
+ err = dlNoPgNums(bookdir, pgurlStart, pgurlEnd, pgurlAltStart, pgurlAltEnd, client)
if err != nil {
log.Fatalf("Error downloading pages: %v\n", err)
}
generated by cgit v1.2.1-24-ge1ad (git 2.21.0) at 2024-11-04 21:47:24 +0000