def view_file(request, repo_id):
"""
Steps to view file:
1. Get repo id and file path.
2. Check user's permission.
3. Check whether this file can be viewed online.
4.1 Get file content if file is text file.
4.2 Prepare flash if file is document.
4.3 Prepare or use pdfjs if file is pdf.
4.4 Other file return it's raw path.
"""
username = request.user.username
# check arguments
repo = get_repo(repo_id)
if not repo:
raise Http404
path = request.GET.get('p', '/')
obj_id = get_file_id_by_path(repo_id, path)
if not obj_id:
return render_error(request, _(u'File does not exist'))
# construct some varibles
u_filename = os.path.basename(path)
current_commit = get_commits(repo_id, 0, 1)[0]
# Check whether user has permission to view file and get file raw path,
# render error page if permission is deny.
raw_path, user_perm = get_file_view_path_and_perm(request, repo_id,
obj_id, u_filename)
if not user_perm:
return render_permission_error(request, _(u'Unable to view file'))
# get file type and extension
filetype, fileext = get_file_type_and_ext(u_filename)
img_prev = None
img_next = None
ret_dict = {'err': '', 'file_content': '', 'encoding': '', 'file_enc': '',
'file_encoding_list': [], 'html_exists': False,
'filetype': filetype}
fsize = get_file_size(obj_id)
exceeds_limit, err_msg = file_size_exceeds_preview_limit(fsize, filetype)
if exceeds_limit:
ret_dict['err'] = err_msg
else:
"""Choose different approach when dealing with different type of file."""
if is_textual_file(file_type=filetype):
handle_textual_file(request, filetype, raw_path, ret_dict)
if filetype == MARKDOWN:
c = ret_dict['file_content']
ret_dict['file_content'] = convert_md_link(c, repo_id, username)
elif filetype == DOCUMENT:
handle_document(raw_path, obj_id, fileext, ret_dict)
elif filetype == PDF:
handle_pdf(raw_path, obj_id, fileext, ret_dict)
elif filetype == IMAGE:
parent_dir = os.path.dirname(path)
dirs = list_dir_by_path(current_commit.id, parent_dir)
if not dirs:
raise Http404
img_list = []
for dirent in dirs:
if not stat.S_ISDIR(dirent.props.mode):
fltype, flext = get_file_type_and_ext(dirent.obj_name)
if fltype == 'Image':
img_list.append(dirent.obj_name)
if len(img_list) > 1:
img_list.sort(lambda x, y : cmp(x.lower(), y.lower()))
cur_img_index = img_list.index(u_filename)
if cur_img_index != 0:
img_prev = os.path.join(parent_dir, img_list[cur_img_index - 1])
if cur_img_index != len(img_list) - 1:
img_next = os.path.join(parent_dir, img_list[cur_img_index + 1])
else:
pass
# generate file path navigator
zipped = gen_path_link(path, repo.name)
# file shared link
l = FileShare.objects.filter(repo_id=repo_id).filter(
username=username).filter(path=path)
fileshare = l[0] if len(l) > 0 else None
http_or_https = request.is_secure() and 'https' or 'http'
domain = RequestSite(request).domain
if fileshare:
file_shared_link = gen_shared_link(request, fileshare.token, 'f')
else:
file_shared_link = ''
# my contacts used in shared link autocomplete
contacts = Contact.objects.filter(user_email=username)
"""List repo groups"""
# Get groups this repo is shared.
if request.user.org:
org_id = request.user.org['org_id']
repo_shared_groups = get_org_groups_by_repo(org_id, repo_id)
else:
repo_shared_groups = get_shared_groups_by_repo(repo_id)
# Filter out groups that user in joined.
groups = [ x for x in repo_shared_groups if is_group_user(x.id, username)]
if len(groups) > 1:
ctx = {}
ctx['groups'] = groups
repogrp_str = render_to_string("snippets/repo_group_list.html", ctx)
else:
repogrp_str = ''
file_path_hash = md5_constructor(urllib2.quote(path.encode('utf-8'))).hexdigest()[:12]
# fetch file contributors and latest contributor
contributors, last_modified, last_commit_id = get_file_contributors(repo_id, path.encode('utf-8'), file_path_hash, obj_id)
latest_contributor = contributors[0] if contributors else None
# check whether file is starred
is_starred = False
org_id = -1
if request.user.org:
org_id = request.user.org['org_id']
is_starred = is_file_starred(username, repo.id, path.encode('utf-8'), org_id)
template = 'view_file_%s.html' % ret_dict['filetype'].lower()
search_repo_id = None
if not repo.encrypted:
search_repo_id = repo.id
return render_to_response(template, {
'repo': repo,
'obj_id': obj_id,
'filename': u_filename,
'path': path,
'zipped': zipped,
'current_commit': current_commit,
'fileext': fileext,
'raw_path': raw_path,
'fileshare': fileshare,
'protocol': http_or_https,
'domain': domain,
'file_shared_link': file_shared_link,
'contacts': contacts,
'err': ret_dict['err'],
'file_content': ret_dict['file_content'],
'file_enc': ret_dict['file_enc'],
'encoding': ret_dict['encoding'],
'file_encoding_list':ret_dict['file_encoding_list'],
'html_exists': ret_dict['html_exists'],
'html_detail': ret_dict.get('html_detail', {}),
'filetype': ret_dict['filetype'],
"applet_root": get_ccnetapplet_root(),
'groups': groups,
'use_pdfjs':USE_PDFJS,
'contributors': contributors,
'latest_contributor': latest_contributor,
'last_modified': last_modified,
'last_commit_id': last_commit_id,
'repo_group_str': repogrp_str,
'is_starred': is_starred,
'user_perm': user_perm,
'img_prev': img_prev,
'img_next': img_next,
'search_repo_id': search_repo_id,
}, context_instance=RequestContext(request))
def list_dir_by_path(cmmt, path):
if cmmt.root_id == EMPTY_SHA1:
return []
else:
return seaserv.list_dir_by_path(cmmt.id, path)
def view_file(request, repo_id):
"""
Steps to view file:
1. Get repo id and file path.
2. Check user's permission.
3. Check whether this file can be viewed online.
4.1 Get file content if file is text file.
4.2 Prepare flash if file is document.
4.3 Prepare or use pdfjs if file is pdf.
4.4 Other file return it's raw path.
"""
username = request.user.username
# check arguments
repo = get_repo(repo_id)
if not repo:
raise Http404
path = request.GET.get("p", "/")
obj_id = get_file_id_by_path(repo_id, path)
if not obj_id:
return render_error(request, _(u"File does not exist"))
# construct some varibles
u_filename = os.path.basename(path)
filename_utf8 = urllib2.quote(u_filename.encode("utf-8"))
current_commit = get_commits(repo_id, 0, 1)[0]
# Check whether user has permission to view file and get file raw path,
# render error page if permission is deny.
raw_path, user_perm = get_file_view_path_and_perm(request, repo_id, obj_id, u_filename)
if not user_perm:
return render_permission_error(request, _(u"Unable to view file"))
# get file type and extension
filetype, fileext = get_file_type_and_ext(u_filename)
img_prev = None
img_next = None
ret_dict = {
"err": "",
"file_content": "",
"encoding": "",
"file_enc": "",
"file_encoding_list": [],
"swf_exists": False,
"filetype": filetype,
}
# Check file size
fsize = get_file_size(obj_id)
if fsize > FILE_PREVIEW_MAX_SIZE:
from django.template.defaultfilters import filesizeformat
err = _(u"File size surpasses %s, can not be opened online.") % filesizeformat(FILE_PREVIEW_MAX_SIZE)
ret_dict["err"] = err
else:
"""Choose different approach when dealing with different type of file."""
if is_textual_file(file_type=filetype):
handle_textual_file(request, filetype, raw_path, ret_dict)
if filetype == MARKDOWN:
c = ret_dict["file_content"]
ret_dict["file_content"] = convert_md_link(c, repo_id, username)
elif filetype == DOCUMENT:
handle_document(raw_path, obj_id, fileext, ret_dict)
elif filetype == PDF:
handle_pdf(raw_path, obj_id, fileext, ret_dict)
elif filetype == IMAGE:
parent_dir = os.path.dirname(path)
dirs = list_dir_by_path(current_commit.id, parent_dir)
if not dirs:
raise Http404
img_list = []
for dirent in dirs:
if not stat.S_ISDIR(dirent.props.mode):
fltype, flext = get_file_type_and_ext(dirent.obj_name)
if fltype == "Image":
img_list.append(dirent.obj_name)
if len(img_list) > 1:
img_list.sort(lambda x, y: cmp(x.lower(), y.lower()))
cur_img_index = img_list.index(u_filename)
if cur_img_index != 0:
img_prev = os.path.join(parent_dir, img_list[cur_img_index - 1])
if cur_img_index != len(img_list) - 1:
img_next = os.path.join(parent_dir, img_list[cur_img_index + 1])
else:
pass
# generate file path navigator
zipped = gen_path_link(path, repo.name)
# file shared link
l = FileShare.objects.filter(repo_id=repo_id).filter(username=username).filter(path=path)
fileshare = l[0] if len(l) > 0 else None
http_or_https = request.is_secure() and "https" or "http"
domain = RequestSite(request).domain
if fileshare:
file_shared_link = gen_shared_link(request, fileshare.token, "f")
else:
file_shared_link = ""
# my contacts used in shared link autocomplete
contacts = Contact.objects.filter(user_email=username)
"""List repo groups"""
# Get groups this repo is shared.
if request.user.org:
org_id = request.user.org["org_id"]
repo_shared_groups = get_org_groups_by_repo(org_id, repo_id)
else:
repo_shared_groups = get_shared_groups_by_repo(repo_id)
# Filter out groups that user in joined.
groups = [x for x in repo_shared_groups if is_group_user(x.id, username)]
if len(groups) > 1:
ctx = {}
ctx["groups"] = groups
repogrp_str = render_to_string("snippets/repo_group_list.html", ctx)
else:
repogrp_str = ""
file_path_hash = md5_constructor(urllib2.quote(path.encode("utf-8"))).hexdigest()[:12]
# fetch file contributors and latest contributor
contributors, last_modified, last_commit_id = get_file_contributors(
repo_id, path.encode("utf-8"), file_path_hash, obj_id
)
latest_contributor = contributors[0] if contributors else None
# check whether file is starred
is_starred = False
org_id = -1
if request.user.org:
org_id = request.user.org["org_id"]
is_starred = is_file_starred(username, repo.id, path.encode("utf-8"), org_id)
template = "view_file_%s.html" % ret_dict["filetype"].lower()
return render_to_response(
template,
{
"repo": repo,
"obj_id": obj_id,
"filename": u_filename,
"path": path,
"zipped": zipped,
"current_commit": current_commit,
"fileext": fileext,
"raw_path": raw_path,
"fileshare": fileshare,
"protocol": http_or_https,
"domain": domain,
"file_shared_link": file_shared_link,
"contacts": contacts,
"err": ret_dict["err"],
"file_content": ret_dict["file_content"],
"file_enc": ret_dict["file_enc"],
"encoding": ret_dict["encoding"],
"file_encoding_list": ret_dict["file_encoding_list"],
"swf_exists": ret_dict["swf_exists"],
"filetype": ret_dict["filetype"],
"applet_root": get_ccnetapplet_root(),
"groups": groups,
"DOCUMENT_CONVERTOR_ROOT": DOCUMENT_CONVERTOR_ROOT,
"use_pdfjs": USE_PDFJS,
"contributors": contributors,
"latest_contributor": latest_contributor,
"last_modified": last_modified,
"last_commit_id": last_commit_id,
"repo_group_str": repogrp_str,
"is_starred": is_starred,
"user_perm": user_perm,
"img_prev": img_prev,
"img_next": img_next,
},
context_instance=RequestContext(request),
)
def list_dir_by_path(cmmt, path):
if cmmt.root_id == EMPTY_SHA1:
return []
else:
return seaserv.list_dir_by_path(cmmt.id, path)