nextcloud links 90% working

cookbook/forms.py

@@ -81,7 +81,7 @@ class StorageForm(forms.ModelForm):
 class SyncForm(forms.ModelForm):
     class Meta:
         model = Sync
-        fields = ('storage', 'path')
+        fields = ('storage', 'path', 'active')
 
 
 class BatchEditForm(forms.Form):

cookbook/migrations/0007_auto_20191114_1044.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.2.7 on 2019-11-14 09:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0006_comment'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sync',
+            name='active',
+            field=models.BooleanField(default=True),
+        ),
+        migrations.AlterField(
+            model_name='storage',
+            name='method',
+            field=models.CharField(choices=[('DB', 'Dropbox'), ('DAV', 'WebDAV')], default='DB', max_length=128),
+        ),
+    ]

cookbook/migrations/0008_auto_20191114_1046.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.7 on 2019-11-14 09:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0007_auto_20191114_1044'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='storage',
+            name='method',
+            field=models.CharField(choices=[('DB', 'Dropbox'), ('NEXTCLOUD', 'Nextcloud')], default='DB', max_length=128),
+        ),
+    ]

cookbook/models.py

@@ -4,8 +4,8 @@ from django.db import models
 
 class Storage(models.Model):
     DROPBOX = 'DB'
-    DAV = 'DAV'
+    NEXTCLOUD = 'NEXTCLOUD'
-    STORAGE_TYPES = ((DROPBOX, 'Dropbox'), (DAV, 'WebDAV'))
+    STORAGE_TYPES = ((DROPBOX, 'Dropbox'), (NEXTCLOUD, 'Nextcloud'))
 
     name = models.CharField(max_length=128)
     method = models.CharField(choices=STORAGE_TYPES, max_length=128, default=DROPBOX)
@@ -21,6 +21,7 @@ class Storage(models.Model):
 class Sync(models.Model):
     storage = models.ForeignKey(Storage, on_delete=models.PROTECT)
     path = models.CharField(max_length=512, default="")
+    active = models.BooleanField(default=True)
     last_checked = models.DateTimeField()
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)

cookbook/provider/nextcloud.py

@@ -0,0 +1,96 @@
+import os
+from datetime import datetime
+import json
+import webdav3.client as wc
+import requests
+import xmltodict
+
+from requests.auth import HTTPBasicAuth
+
+from cookbook.models import Recipe, RecipeImport, SyncLog
+from cookbook.provider.provider import Provider
+
+
+class Nextcloud(Provider):
+
+    @staticmethod
+    def import_all(monitor):
+        options = {
+            'webdav_hostname': monitor.storage.url + '/remote.php/dav/files/' + monitor.storage.username,
+            'webdav_login': monitor.storage.username,
+            'webdav_password': monitor.storage.password
+        }
+        client = wc.Client(options)
+
+        files = client.list(monitor.path)
+        files.pop(0)  # remove first element because its the folder itself
+
+        import_count = 0
+        for file in files:
+            path = monitor.path + '/' + file
+            if not Recipe.objects.filter(file_path=path).exists() and not RecipeImport.objects.filter(file_path=path).exists():
+                name = os.path.splitext(file)[0]
+                new_recipe = RecipeImport(name=name, file_path=path, storage=monitor.storage)
+                new_recipe.save()
+                import_count += 1
+
+        log_entry = SyncLog(status='SUCCESS', msg='Imported ' + str(import_count) + ' recipes', sync=monitor)
+        log_entry.save()
+
+        monitor.last_checked = datetime.now()
+        monitor.save()
+
+        return True
+
+    @staticmethod
+    def url_from_ocs_response(response):
+        if response['ocs']['data']:
+            elements = response['ocs']['data']['element']
+            if isinstance(elements, list):
+                for element in elements:
+                    if element['share_type'] == '3':
+                        return element['url']
+            else:
+                if elements['share_type'] == '3':
+                    return elements['url']
+
+        return False
+
+    @staticmethod
+    def create_share_link(recipe):
+        url = recipe.storage.url + '/ocs/v2.php/apps/files_sharing/api/v1/shares'
+
+        headers = {
+            "OCS-APIRequest": "true",
+            "Content-Type": "application/x-www-form-urlencoded"
+        }
+
+        data = {
+            "path": recipe.file_path,
+            "shareType ": 3
+        }
+
+        r = requests.post(url, headers=headers, auth=HTTPBasicAuth(recipe.storage.username, recipe.storage.password), data=json.dumps(data))
+
+        json_response = xmltodict.parse(r.text)
+
+        return Nextcloud.url_from_ocs_response(json_response)
+
+    @staticmethod
+    def get_share_link(recipe):
+        url = recipe.storage.url + '/ocs/v2.php/apps/files_sharing/api/v1/shares?path=' + recipe.file_path
+
+        headers = {
+            "OCS-APIRequest": "true",
+            "Content-Type": "application/xml"
+        }
+
+        r = requests.get(url, headers=headers, auth=HTTPBasicAuth(recipe.storage.username, recipe.storage.password))
+
+        json_response = xmltodict.parse(r.text)
+
+        url = Nextcloud.url_from_ocs_response(json_response)
+        if url:
+            return url
+
+        return Nextcloud.create_share_link(recipe)

cookbook/views/api.py

@@ -8,6 +8,7 @@ from django.shortcuts import redirect
 from cookbook.models import Recipe, Sync, Storage
 from cookbook.provider import dropbox
 from cookbook.provider.dropbox import Dropbox
+from cookbook.provider.nextcloud import Nextcloud
 
 
 @login_required
@@ -20,13 +21,17 @@ def get_file_link(request, recipe_id):
         if recipe.link == "":
             recipe.link = Dropbox.get_share_link(recipe)  # TODO response validation
             recipe.save()
+    if recipe.storage.method == Storage.NEXTCLOUD:
+        if recipe.link == "":
+            recipe.link = Nextcloud.get_share_link(recipe)  # TODO response validation
+            #recipe.save()
 
     return HttpResponse(recipe.link)
 
 
 @login_required
 def sync_all(request):
-    monitors = Sync.objects.all()
+    monitors = Sync.objects.filter(active=True)
 
     error = False
     for monitor in monitors:
@@ -34,6 +39,10 @@ def sync_all(request):
             ret = Dropbox.import_all(monitor)
             if not ret:
                 error = True
+        if monitor.storage.method == Storage.NEXTCLOUD:
+            ret = Nextcloud.import_all(monitor)
+            if not ret:
+                error = True
 
     if not error:
         messages.add_message(request, messages.SUCCESS, _('Sync successful!'))

requirements.txt

@@ -1,12 +1,15 @@
-six
+lxml
-requests
-markdown
 django
 django-tables2
 django-filter
 django-crispy-forms
 djangorestframework
 django-autocomplete-light
+six
+requests
+markdown
+webdavclient3
+xmltodict
 python-dotenv==0.7.1
 psycopg2==2.7.4
 gunicorn==19.7.1