I realize that OWASP recommends CSRF tokens but I rarely see them used with public standalone HTTP APIs. This would seem to indicate that they’re not always necessary.
To make this a little more concrete, I would envision the following scenario:
The API server serves a limited number of frontends with an explicit CORS whitelist.
HTTP method semantics are followed religiously (no writes in GET).
All routes require authentication.
All POST routes require a request body.
All routes that take a request body require a JSON content-type header.
Cookies are httpOnly but not sameSite.
Based on my understanding of SOP setting a JSON content-type header on requests should trigger a preflight request which would fail for untrusted origins. If all POST routes require a JSON content-type header, that should then mean they’ll always fail the preflight, leaving only GET requests.
So this would not mitigate CSRF attacks against GET routes but as these can’t be used for exfiltration (as SOP prevents the response from being read) and the GET routes should not cause any data modification, guarding these requests with CSRF tokens would not appear to make a practical difference.
Given how viciously some people defend CSRF tokens, I can’t shake the feeling I’m overlooking an obvious problem here. I realize redundant protections may be valuable in their own right, but what I’m trying to understand is whether in the scenario described the CSRF token would really be redundant or not.
: I realise this might be a practical limitation of this approach as in some real-world APIs there are legitimate POST routes that don’t take a request body or there may be routes that need to take a content-type like form-data that won’t trigger a preflight.
I got an exercise in my college in which ive been asked to write a Non deterministic Turing Machine that accepts words of this form:
Ive manage to find some sort of solution but in a Deterministic way
Can anyone help me please?
I know that word count isn’t a ranking factor.
Source: Is word count a large ranking factor for Google?
I am going to add a Question and Answer Section for my website.
Some questions like “Do meta keywords have any impact on ranking algorithms?”. The answer for this is very simple answer like “The fact is, neither Google nor Bing use meta keywords at all. And a link to the source.” There are lot of questions like above which can easily be answered within 100 words.
Having a lot of pages like above(50 – 200 words but answer the question perfectly) will bad impact for SEO?
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Anyone here write Kindle books? How do you pick your niche and how do you promote your book? Do you use the FREE kindle book feature?
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this hdd came out of an hp2000 with windows 8 pre installed. the notebook died and I always scavenge as many parts as possible. This time the drive is not cooperating, as I want to use it as a Linux drive 🙂
GParted 0.18.0 --enable-libparted-dmraid --enable-online-resize Libparted 2.3 Create Primary Partition #1 (ext4, 298.09 GiB) on /dev/sda 00:16:42 ( ERROR ) create empty partition 00:00:00 ( SUCCESS ) path: /dev/sda1 start: 2048 end: 625141759 size: 625139712 (298.09 GiB) clear old file system signatures in /dev/sda1 00:00:04 ( SUCCESS ) write 68.00 KiB of zeros at byte offset 0 00:00:00 ( SUCCESS ) write 4.00 KiB of zeros at byte offset 67108864 00:00:00 ( SUCCESS ) write 4.00 KiB of zeros at byte offset 274877906944 00:00:00 ( SUCCESS ) write 4.00 KiB of zeros at byte offset 320071528448 00:00:00 ( SUCCESS ) flush operating system cache of /dev/sda 00:00:04 ( SUCCESS ) set partition type on /dev/sda1 00:00:00 ( SUCCESS ) new partition type: ext4 create new ext4 file system 00:16:38 ( ERROR ) mkfs.ext4 -L "" /dev/sda1 Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=8191 blocks 19537920 inodes, 78142464 blocks 3907123 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 2385 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616 Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: 2/2385 mke2fs 1.42.9 (4-Feb-2014) Warning, had trouble writing out superblocks.
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I know for shaders, floats should be used because they are the optimal choice for performance. Doubles are slow and use more memory which isn’t ideal for shaders. While floats are less accurate and are prone to float overlflows, the tradeoff for speed is ideal on mobile hardware.
But what about everywhere else in the code base not related to the shader pipeline? I’m writing an engine and use doubles for the delta update tick and try to keep all units relative to that data type so there’s lots of places using doubles. Should I be using floats on mobile in the engine as well?
The engine is written in C++ language