Merge pull request #1125 from Neilpang/freedns

fix https://github.com/Neilpang/acme.sh/issues/1109

dnsapi/dns_freedns.sh

@@ -53,6 +53,8 @@ dns_freedns_add() {
   i="$(_math "$i" - 1)"
   sub_domain="$(echo "$fulldomain" | cut -d. -f -"$i")"
 
+  _debug top_domain "$top_domain"
+  _debug sub_domain "$sub_domain"
   # Sometimes FreeDNS does not return the subdomain page but rather
   # returns a page regarding becoming a premium member.  This usually
   # happens after a period of inactivity.  Immediately trying again
@@ -61,7 +63,6 @@ dns_freedns_add() {
   attempts=2
   while [ "$attempts" -gt "0" ]; do
     attempts="$(_math "$attempts" - 1)"
-
     htmlpage="$(_freedns_retrieve_subdomain_page "$FREEDNS_COOKIE")"
     if [ "$?" != "0" ]; then
       if [ "$using_cached_cookies" = "true" ]; then
@@ -70,19 +71,11 @@ dns_freedns_add() {
       fi
       return 1
     fi
+    _debug2 htmlpage "$htmlpage"
+
+    subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '<form .*</form>' | sed 's/<tr>/@<tr>/g' | tr '@' '\n' | grep edit.php | grep $top_domain)"
+    _debug2 subdomain_csv "$subdomain_csv"
 
-    # Now convert the tables in the HTML to CSV.  This litte gem from
-    # http://stackoverflow.com/questions/1403087/how-can-i-convert-an-html-table-to-csv
-    subdomain_csv="$(echo "$htmlpage" \
-      | grep -i -e '</\?TABLE\|</\?TD\|</\?TR\|</\?TH' \
-      | sed 's/^[\ \t]*//g' \
-      | tr -d '\n' \
-      | sed 's/<\/TR[^>]*>/\n/Ig' \
-      | sed 's/<\/\?\(TABLE\|TR\)[^>]*>//Ig' \
-      | sed 's/^<T[DH][^>]*>\|<\/\?T[DH][^>]*>$//Ig' \
-      | sed 's/<\/T[DH][^>]*><T[DH][^>]*>/,/Ig' \
-      | grep 'edit.php?' \
-      | grep "$top_domain")"
     # The above beauty ends with striping out rows that do not have an
     # href to edit.php and do not have the top domain we are looking for.
     # So all we should be left with is CSV of table of subdomains we are
@@ -90,30 +83,32 @@ dns_freedns_add() {
 
     # Now we have to read through this table and extract the data we need
     lines="$(echo "$subdomain_csv" | wc -l)"
-    nl='
-'
     i=0
     found=0
     while [ "$i" -lt "$lines" ]; do
       i="$(_math "$i" + 1)"
-      line="$(echo "$subdomain_csv" | cut -d "$nl" -f "$i")"
-      tmp="$(echo "$line" | cut -d ',' -f 1)"
-      if [ $found = 0 ] && _startswith "$tmp" "<td>$top_domain"; then
+      line="$(echo "$subdomain_csv" | sed -n ${i}p)"
+      _debug2 line "$line"
+      if [ $found = 0 ] && _contains "$line" "<td>$top_domain</td>"; then
         # this line will contain DNSdomainid for the top_domain
-        DNSdomainid="$(echo "$line" | cut -d ',' -f 2 | sed 's/^.*domain_id=//;s/>.*//')"
+        DNSdomainid="$(echo "$line" | _egrep_o "edit_domain_id *= *.*>" | cut -d = -f 2 | cut -d '>' -f 1)"
+        _debug2 DNSdomainid "$DNSdomainid"
         found=1
       else
         # lines contain DNS records for all subdomains
-        DNSname="$(echo "$line" | cut -d ',' -f 2 | sed 's/^[^>]*>//;s/<\/a>.*//')"
-        DNStype="$(echo "$line" | cut -d ',' -f 3)"
+        DNSname="$(echo "$line" | _egrep_o 'edit.php.*</a>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
+        _debug2 DNSname "$DNSname"
+        DNStype="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '4p' | cut -d '>' -f 2 | cut -d '<' -f 1)"
+        _debug2 DNStype "$DNStype"
         if [ "$DNSname" = "$fulldomain" ] && [ "$DNStype" = "TXT" ]; then
-          DNSdataid="$(echo "$line" | cut -d ',' -f 2 | sed 's/^.*data_id=//;s/>.*//')"
+          DNSdataid="$(echo "$line" | _egrep_o 'data_id=.*' | cut -d = -f 2 | cut -d '>' -f 1)"
           # Now get current value for the TXT record.  This method may
           # not produce accurate results as the value field is truncated
           # on this webpage. To get full value we would need to load
           # another page. However we don't really need this so long as
           # there is only one TXT record for the acme challenge subdomain.
-          DNSvalue="$(echo "$line" | cut -d ',' -f 4 | sed 's/^[^&quot;]*&quot;//;s/&quot;.*//;s/<\/td>.*//')"
+          DNSvalue="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '5p' | cut -d '>' -f 2 | cut -d '<' -f 1)"
+          _debug2 DNSvalue "$DNSvalue"
           if [ $found != 0 ]; then
             break
             # we are breaking out of the loop at the first match of DNS name
@@ -169,8 +164,7 @@ dns_freedns_add() {
       return 0
     else
       # Delete the old TXT record (with the wrong value)
-      _freedns_delete_txt_record "$FREEDNS_COOKIE" "$DNSdataid"
-      if [ "$?" = "0" ]; then
+      if _freedns_delete_txt_record "$FREEDNS_COOKIE" "$DNSdataid"; then
         # And add in new TXT record with the value provided
         _freedns_add_txt_record "$FREEDNS_COOKIE" "$DNSdomainid" "$sub_domain" "$txtvalue"
       fi
@@ -210,18 +204,9 @@ dns_freedns_rm() {
       return 1
     fi
 
-    # Now convert the tables in the HTML to CSV.  This litte gem from
-    # http://stackoverflow.com/questions/1403087/how-can-i-convert-an-html-table-to-csv
-    subdomain_csv="$(echo "$htmlpage" \
-      | grep -i -e '</\?TABLE\|</\?TD\|</\?TR\|</\?TH' \
-      | sed 's/^[\ \t]*//g' \
-      | tr -d '\n' \
-      | sed 's/<\/TR[^>]*>/\n/Ig' \
-      | sed 's/<\/\?\(TABLE\|TR\)[^>]*>//Ig' \
-      | sed 's/^<T[DH][^>]*>\|<\/\?T[DH][^>]*>$//Ig' \
-      | sed 's/<\/T[DH][^>]*><T[DH][^>]*>/,/Ig' \
-      | grep 'edit.php?' \
-      | grep "$fulldomain")"
+    subdomain_csv="$(echo "$htmlpage" | tr -d "\n\r" | _egrep_o '<form .*</form>' | sed 's/<tr>/@<tr>/g' | tr '@' '\n' | grep edit.php | grep $fulldomain)"
+    _debug2 subdomain_csv "$subdomain_csv"
+
     # The above beauty ends with striping out rows that do not have an
     # href to edit.php and do not have the domain name we are looking for.
     # So all we should be left with is CSV of table of subdomains we are
@@ -229,19 +214,21 @@ dns_freedns_rm() {
 
     # Now we have to read through this table and extract the data we need
     lines="$(echo "$subdomain_csv" | wc -l)"
-    nl='
-'
     i=0
     found=0
     while [ "$i" -lt "$lines" ]; do
       i="$(_math "$i" + 1)"
-      line="$(echo "$subdomain_csv" | cut -d "$nl" -f "$i")"
-      DNSname="$(echo "$line" | cut -d ',' -f 2 | sed 's/^[^>]*>//;s/<\/a>.*//')"
-      DNStype="$(echo "$line" | cut -d ',' -f 3)"
+      line="$(echo "$subdomain_csv" | sed -n ${i}p)"
+      _debug2 line "$line"
+      DNSname="$(echo "$line" | _egrep_o 'edit.php.*</a>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
+      _debug2 DNSname "$DNSname"
+      DNStype="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '4p' | cut -d '>' -f 2 | cut -d '<' -f 1)"
+      _debug2 DNStype "$DNStype"
       if [ "$DNSname" = "$fulldomain" ] && [ "$DNStype" = "TXT" ]; then
-        DNSdataid="$(echo "$line" | cut -d ',' -f 2 | sed 's/^.*data_id=//;s/>.*//')"
-        DNSvalue="$(echo "$line" | cut -d ',' -f 4 | sed 's/^[^&quot;]*&quot;//;s/&quot;.*//;s/<\/td>.*//')"
-        _debug "DNSvalue: $DNSvalue"
+        DNSdataid="$(echo "$line" | _egrep_o 'data_id=.*' | cut -d = -f 2 | cut -d '>' -f 1)"
+        _debug2 DNSdataid "$DNSdataid"
+        DNSvalue="$(echo "$line" | sed 's/<td/@<td/g' | tr '@' '\n' | sed -n '5p' | cut -d '>' -f 2 | cut -d '<' -f 1)"
+        _debug2 DNSvalue "$DNSvalue"
         #     if [ "$DNSvalue" = "$txtvalue" ]; then
         # Testing value match fails.  Website is truncating the value
         # field. So for now we will assume that there is only one TXT